Statistical Sciences Full Subject Test

Statistical Methods & Experimental Designs

Start Practice → अभ्यास शुरू करें →
5 Questions / Batch 5 प्रश्न / बैच
140
Total Questions कुल प्रश्न
2023 – 2024
3 Papers
Papers Covered कुल पेपर्स
2 Exam Years 2 परीक्षा वर्ष
38.3% ↓ -0.8%
Exam Weightage परीक्षा वेटेज
In 2024 Exam 2024 परीक्षा में
14 Chapters
Syllabus Chapters पाठ्यक्रम अध्याय
1 Question Types 1 प्रश्न प्रकार
Question Types: प्रश्न प्रकार:
MCQ (Single Correct) MCQ (एकल सही) 140

Previous Years Questions (PYQ) Statistics विगत वर्षों के प्रश्न (PYQ) सांख्यिकी

Year-wise question count, paper frequency, and exam weightage percentage for Statistical Methods & Experimental Designs: Statistical Methods & Experimental Designs हेतु वर्षवार प्रश्नों की संख्या, पेपर आवृत्ति और परीक्षा वेटेज प्रतिशत:

Year वर्ष Questions प्रश्न Avg / Paper औसत / पेपर Weightage & Trend वेटेज व ट्रेंड
2024 46 Qs 46.0
38.3% ↓ -0.8%
2023 94 Qs 47.0
39.2% —

All Questions in this Subject इस विषय के सभी प्रश्न

140 Questions 140 प्रश्न
1
In drawing a Histogram for unequal class intervals, the height of the rectangle will be:
असमान वर्ग अंतरालों (Unequal class intervals) के लिए आयतचित्र (Histogram) बनाते समय आयत की ऊँचाई किसके समानुपाती होगी?
Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
2
The width of each of nine classes in a frequency distribution is 2.5 and the lower class boundary of the lowest class is 10.6. Which one of the following is the upper class boundary of the highest class?
एक बारंबारता बंटन में नौ वर्गों में से प्रत्येक की चौड़ाई 2.5 है और सबसे निचले वर्ग की निचली वर्ग सीमा 10.6 है। निम्नलिखित में से कौन-सी उच्चतम वर्ग की ऊपरी वर्ग सीमा (Upper class boundary) है?
Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
3
The median of a given frequency distribution is found graphically with the help of:
दिए गए बारंबारता बंटन की माध्यिका (Median) को आलेखीय रूप से किसकी सहायता से ज्ञात किया जाता है?
Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
4
Frequency distribution can be presented graphically by:
बारंबारता बंटन (Frequency distribution) को आलेखी (graphical) रूप से किसके द्वारा प्रदर्शित किया जा सकता है?
Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
5
In drawing histogram for unequal class intervals, the height of the rectangles will be:
असमान वर्ग अंतरालों के लिए आयतचित्र (हिस्टोग्राम) बनाते समय आयतों की ऊंचाई किसके अनुसार होती है?
Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
6
"Salaries of the employees in ICAR" is an example of which level of measurement?
"आईसीएआर में कर्मचारियों का वेतन" मापन के किस स्तर का उदाहरण है?
Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
7
The point of intersection of the 'less than' and the 'more than' ogives corresponds to:
'से कम' और 'से अधिक' तोरण (ओजाइव) वक्रों का प्रतिच्छेदन बिंदु किसको दर्शाता है?
Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
8
The arithmetic mean of an $n$-number series is $\bar{x}$. The sum of the last $n-1$ numbers is $k$. Then the first number will be:
$n$ संख्याओं की एक श्रेणी का समांतर माध्य $\bar{x}$ है। अंतिम $n-1$ संख्याओं का योग $k$ है। तो पहली संख्या क्या होगी?
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
9
The mean of two samples of sizes 50 and 100 are 53.7 and 52.3 respectively. Find the mean of the combined sample:
आकार 50 और 100 के दो प्रतिदर्शों (Samples) के माध्य क्रमशः 53.7 और 52.3 हैं। संयुक्त प्रतिदर्श (Combined sample) का माध्य ज्ञात कीजिए:
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
10
The mean weight per bag in a group of 6 bags of rice is 119 kg. The individual weights of 5 of them are 115 kg, 109 kg, 129 kg, 117 kg and 114 kg. What is the weight of the other bag of the group?
चावल की 6 बोरियों के एक समूह में प्रति बोरी औसत वजन 119 किग्रा है। उनमें से 5 बोरियों का व्यक्तिगत वजन 115 किग्रा, 109 किग्रा, 129 किग्रा, 117 किग्रा और 114 किग्रा है। समूह की छठवीं बोरी का वजन क्या है?
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
11
The following table gives the distribution of 100 families according to daily expenditure:
Expenditure (in Rs)0-1010-2020-3030-4040-50
Number of families14$x$27$y$15
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
12
Which one of the following is a correct statement?
निम्नलिखित में से कौन-सा कथन सही है? [Note: NTA Official Final Answer Key accepted both Option 1 and Option 2 as correct responses] [नोट: एनटीए की अंतिम उत्तर कुंजी में विकल्प 1 और विकल्प 2 दोनों को सही माना गया है]
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
13
A scooter rider covers a certain distance at a uniform speed of 45 km per hour and retraces the same path at a uniform speed of 55 km per hour to reach the starting point. His average speed during the whole journey is:
एक स्कूटर सवार एक निश्चित दूरी 45 किमी प्रति घंटे की समान गति से तय करता है और प्रारंभिक बिंदु पर वापस पहुँचने के लिए उसी रास्ते से 55 किमी प्रति घंटे की समान गति से लौटता है। पूरी यात्रा के दौरान उसकी औसत गति क्या है?
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
14
The arithmetic mean of 21 numbers is 9. If the number 19 is deleted from the set, the mean of the remaining 20 numbers will be:
21 संख्याओं का समांतर माध्य 9 है। यदि इस समुच्चय से संख्या 19 हटा दी जाए, तो शेष 20 संख्याओं का माध्य होगा:
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
15
The harmonic mean of {a/(1-ab)} and {a/(1+ab)} is equal to :
व्यंजकों {a/(1-ab)} और {a/(1+ab)} का हरात्मक माध्य (Harmonic mean) किसके बराबर है?
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
16
The sum of deviation of values $X_i$ from their mean is:
मानों $X_i$ का उनके समांतर माध्य से विचलनों का योग कितना होता है?
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
17
A student while calculating the mean of $25$ observations obtained a mean of $56\text{ cm}$. It was later discovered at the time of checking that he had wrongly copied down an observation as $64$. What is the mean if the wrong value is omitted?
एक छात्र ने $25$ प्रेक्षणों का माध्य निकालते समय $56\text{ सेमी}$ प्राप्त किया। बाद में जांच के दौरान पाया गया कि उसने गलती से एक प्रेक्षण $64$ लिख लिया था। यदि गलत मान को हटा दिया जाए तो नया माध्य क्या होगा?
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
18
The diameter at breast height (DBH) of $20$ trees are as follows: $1, 3, 5, 5, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10$. What are the values of $1^{\text{st}}$ quartile ($Q_1$), $2^{\text{nd}}$ quartile ($Q_2$), and $3^{\text{rd}}$ quartile ($Q_3$)?
$20$ वृक्षों की वक्ष-ऊंचाई पर व्यास इस प्रकार हैं: $1, 3, 5, 5, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10$। प्रथम चतुर्थक ($Q_1$), द्वितीय चतुर्थक ($Q_2$) और तृतीय चतुर्थक ($Q_3$) के मान क्या होंगे?
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
19
Which of the following measures of central tendency is not affected by the presence of outliers?
केंद्रीय प्रवृत्ति का निम्नलिखित में से कौन-सा माप चरम मानों (आउटलायर्स) की उपस्थिति से प्रभावित नहीं होता है?
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
20
The mean square deviation of the variate $X$ from ______ is minimum:
चर $X$ का ______ से माध्य वर्ग विचलन (Mean square deviation) न्यूनतम होता है:
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
21
A distribution consists of 100 observations with a median of 36.9. If the largest 10 observations are each increased by 6, then the median of the new set of observations will be:
एक बंटन में 100 प्रेक्षण हैं जिनका माध्यिका (median) मान 36.9 है। यदि सबसे बड़े 10 प्रेक्षणों में से प्रत्येक में 6 की वृद्धि कर दी जाए, तो प्रेक्षणों के नए समुच्चय की माध्यिका होगी:
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
22
For a set of 200 observations on a certain random variable X, the mean and standard deviation are 65.7 and 4.4 respectively. However on scrutinizing the data it is found that two observations, which should be correctly read as 71 and 83, had been wrongly recorded as 91 and 80. Obtain the correct values of the mean and the standard deviation.
किसी यादृच्छिक चर X के 200 प्रेक्षणों के समुच्चय हेतु माध्य और मानक विचलन क्रमशः 65.7 और 4.4 हैं। हालांकि, आंकड़ों की जांच करने पर पाया गया कि दो प्रेक्षण जिन्हें सही रूप से 71 और 83 पढ़ा जाना चाहिए था, उन्हें गलती से 91 और 80 दर्ज कर लिया गया था। माध्य और मानक विचलन के सही मान ज्ञात कीजिए।
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
23
$X$ and $Y$ are two random variables with $\mu_x = 18.4$, $\mu_y = 33$, $\sigma_x = 8.4$, $\sigma_y = 6.4$ and $\rho_{xy} = 0.84$. The regression line of $Y$ on $X$ is:
$X$ और $Y$ दो यादृच्छिक चर हैं जिनके मान $\mu_x = 18.4$, $\mu_y = 33$, $\sigma_x = 8.4$, $\sigma_y = 6.4$ और $\rho_{xy} = 0.84$ हैं। $Y$ का $X$ पर समाश्रयण समीकरण क्या होगा?
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
24
The relation between standard deviation (SD), mean deviation about mean (MD), and quartile deviation (QD) for a normal distribution is:
प्रसामान्य बंटन के लिए मानक विचलन, माध्य विचलन और चतुर्थक विचलन के मध्य संबंध क्या होता है?
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
25
The relationship between root mean square deviation (r.m.s.d.) and standard deviation (s.d.) is:
वर्ग-माध्य-मूल विचलन और मानक विचलन के मध्य संबंध क्या होता है?
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
26
For a discrete data set when all the values are not same, then the relationship between mean deviation about mean (MD) and standard deviation (SD) is:
एक असतत डेटा सेट के लिए जब सभी मान समान नहीं होते हैं, तो माध्य के परितः माध्य विचलन और मानक विचलन के मध्य क्या संबंध होता है?
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
27
For a Poisson distribution, if mean ($m$) = $1$, then $P(1)$ is:
एक प्वासों बंटन के लिए, यदि माध्य ($m$) = $1$ है, तो $P(1)$ का मान क्या होगा?
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
28
For a discrete distribution, which of the following is correct?
एक असतत (खंडित) बंटन (Discrete distribution) के लिए निम्नलिखित में से कौन-सा सही है?
Moments, Skewness (Karl Pearson, Bowley) and Kurtosis Moments, Skewness (Karl Pearson, Bowley) and Kurtosis Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
29
For any discrete distribution, what is the value of $\beta_2$?
किसी भी असतत (खंडित) बंटन के लिए $\beta_2$ का मान क्या होता है?
Moments, Skewness (Karl Pearson, Bowley) and Kurtosis Moments, Skewness (Karl Pearson, Bowley) and Kurtosis Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
30
Two unbiased dice are thrown simultaneously. Then the possible number of outcomes will be:
दो निष्पक्ष पासों (Unbiased dice) को एक साथ फेंका जाता है। तो परिणामों की कुल संभव संख्या होगी:
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
31
If $C_1$ and $C_2$ are subsets of sample space $S$, then which is correct?
यदि $C_1$ और $C_2$ प्रतिदर्श समष्टि $S$ के उपसमुच्चय (Subsets) हैं, तो कौन-सा कथन सही है?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
32
Two dice are rolled simultaneously. What is the probability that the sum of numbers on the dice is 9?
दो पासे एक साथ फेंके जाते हैं। पासों पर आने वाली संख्याओं का योग 9 होने की प्रायिकता क्या है?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
33
Given $P(A) = p_1$, $P(B) = p_2$, and $P(A \cap B) = p_3$. Then $P(A' \cap B')$ will be:
यदि $P(A) = p_1$, $P(B) = p_2$, और $P(A \cap B) = p_3$ दिया गया है, तो $P(A' \cap B')$ का मान क्या होगा?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
34
If $P(A \cup B) = 5/6$, $P(A \cap B) = 1/3$ and $P(\overline{B}) = 1/2$, then the events $A$ and $B$ are:
यदि $P(A \cup B) = 5/6$, $P(A \cap B) = 1/3$ और $P(\overline{B}) = 1/2$ हो, तो घटनाएं $A$ और $B$ हैं:
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
35
If $P(A) = 0.25$, $P(B) = 0.50$ and $P(A \cap B) = 0.14$, then the probability that neither $A$ nor $B$ occurs is:
यदि $P(A) = 0.25$, $P(B) = 0.50$ और $P(A \cap B) = 0.14$ हो, तो न तो $A$ और न ही $B$ के घटित होने की प्रायिकता है:
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
36
Bonferroni's inequality states that for any two events $C_1$ and $C_2$:
बोनफेरोनी की असमिका (Bonferroni's inequality) के अनुसार किन्हीं दो घटनाओं $C_1$ और $C_2$ के लिए:
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
37
A bowl contains 8 chips, 3 marked Red and 5 marked Blue. Two chips are drawn at random without replacement. What is the probability that the first chip is Red and the second chip is Blue?
एक पात्र में 8 चिप्स हैं, जिनमें 3 लाल (Red) और 5 नीली (Blue) हैं। बिना प्रतिस्थापन (without replacement) के यादृच्छिक रूप से दो चिप्स निकाली जाती हैं। पहली चिप लाल और दूसरी चिप नीली होने की प्रायिकता क्या है?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
38
If $A$ and $B$ are two mutually exclusive events with $P(A) > 0$ and $P(B) > 0$, then the conditional probability $P(B|A)$ is:
यदि $A$ और $B$ दो परस्पर अपवर्जी (mutually exclusive) घटनाएं हैं जिनमें $P(A) > 0$ और $P(B) > 0$ है, तो सप्रतिबंध प्रायिकता $P(B|A)$ होगी:
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
39
What is the probability of getting a head and a tail in a toss of two coins ?
दो सिक्कों को एक साथ उछालने पर एक चित (Head) और एक पट (Tail) प्राप्त होने की प्रायिकता क्या है?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
40
Suppose three dice are rolled. Under the condition that no two show the same face, what is the probability that one of the faces is an ace ?
मान लीजिए कि तीन पासे फेंके जाते हैं। इस शर्त के तहत कि किन्हीं दो पासों पर समान फलक न आए, क्या प्रायिकता है कि किसी एक फलक पर इक्का (Ace, 1) आए?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
41
Three points are taken at random on the circumference of a circle. What is the probability that they will all lie in a semicircle ?
एक वृत्त की परिधि पर यादृच्छिक रूप से तीन बिंदु लिए जाते हैं। क्या प्रायिकता है कि वे सभी एक ही अर्धवृत्त (Semicircle) में स्थित होंगे?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
42
Let A and B are any two events and P(A)= p1, P(B)= p2 and P(A cap B)= p3. What is the value of P(bar{A} / bar{B}) ?
मान लीजिए कि A और B कोई दो घटनाएँ हैं तथा P(A) = p1, P(B) = p2 और P(A cap B) = p3 है। P(bar{A} / bar{B}) का मान क्या होगा?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
43
The probability that both S and T occur, the probability that S occurs and T does not, and the probability that T occurs and S does not are all equal to p. The probability that either S or T occurs is :
दोनों S और T के घटित होने की प्रायिकता, S के घटित होने और T के न होने की प्रायिकता, तथा T के घटित होने और S के न होने की प्रायिकता, सभी p के बराबर हैं। S या T में से किसी एक के घटित होने की प्रायिकता क्या है?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
44
A person speaks truth $4$ out of $5$ times. A die is tossed. He reports that there is a six. What is the chance that actually there was a six?
एक व्यक्ति $5$ में से $4$ बार सच बोलता है। एक पासा फेंका जाता है। वह बताता है कि छह (6) आया है। वास्तव में छह आने की प्रायिकता क्या है?
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
45
Let the moment generating function (m.g.f) of a random variable is of the form Mx(t)=(0.4e^t +0.6)^8. Find the mean and variance of a random variable Y=3X+2.
मान लीजिए किसी यादृच्छिक चर X का आघूर्ण जनक फलन (m.g.f) Mx(t) = (0.4e^t + 0.6)^8 के रूप में है। यादृच्छिक चर Y = 3X + 2 का माध्य और प्रसरण ज्ञात कीजिए।
Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
46
Let the m.g.f of a random variable X is of the form Mx(t)= exp{3(e^t -1)}. What is the value of kurtosis coefficient beta_2 ?
मान लीजिए किसी यादृच्छिक चर X का आघूर्ण जनक फलन Mx(t) = exp{3(e^t - 1)} के रूप में है। ककुदता गुणांक beta_2 (Kurtosis coefficient) का मान क्या होगा?
Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
47
Let $X$ be a random variable with probability density function $f(x) = 6x(1-x), 0 \le x \le 1$. Determine the value of $b$ such that $P(X b)$:
मान लीजिए $X$ एक यादृच्छिक चर है जिसका प्रायिकता घनत्व फलन $f(x) = 6x(1-x), 0 \le x \le 1$ है। $b$ का मान ज्ञात कीजिए ताकि $P(X b)$ हो:
Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
48
Two independent variables have mean $5$ and $10$ and variances $5$ and $9$ respectively. Obtain the correlation between $Y_1 = 3X_1 + 4X_2$ and $Y_2 = 3X_1 - X_2$:
दो स्वतंत्र चरों के माध्य क्रमशः $5$ और $10$ तथा प्रसरण क्रमशः $5$ और $9$ हैं। $Y_1 = 3X_1 + 4X_2$ और $Y_2 = 3X_1 - X_2$ के मध्य सहसंबंध ज्ञात कीजिए:
Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
49
If $X$ is a random Poisson variate with $P(X=1) = P(X=2)$, then $P(X=4)$ is:
यदि $X$ एक यादृच्छिक प्वासों चर (Poisson variate) है जिसमें $P(X=1) = P(X=2)$ है, तो $P(X=4)$ का मान है:
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
50
If for a binomial distribution the mean is 8 and variance is 6, then the mode is:
यदि एक द्विपद बंटन (binomial distribution) के लिए माध्य 8 और प्रसरण 6 है, तो इसका बहुलक (mode) क्या होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
51
If the mean of a Poisson distribution is 36, then its coefficient of variation is:
यदि एक प्वासों बंटन (Poisson distribution) का माध्य 36 है, तो इसका विचरण गुणांक (coefficient of variation) क्या होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
52
A die is thrown 100 times. If getting an even number is considered a success, then the variance of the number of successes is:
एक पासे को 100 बार फेंका जाता है। यदि सम संख्या (even number) प्राप्त करने को सफलता माना जाए, तो सफलताओं की संख्या का प्रसरण (variance) होगा:
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
53
In a random sample of 10 people, if the probability of a person being left-handed is 0.16, then the mean and standard deviation of the number of left-handed people are respectively:
10 व्यक्तियों के एक यादृच्छिक प्रतिदर्श में, यदि किसी व्यक्ति के बाएं हाथ से काम करने वाले (left-handed) होने की प्रायिकता 0.16 है, तो बाएं हाथ से काम करने वाले व्यक्तियों की संख्या का माध्य और मानक विचलन क्रमशः हैं:
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
54
For a Poisson distribution, if $P(X = 1) = P(X = 3)$, then its mode is:
एक प्वासों बंटन (Poisson distribution) के लिए, यदि $P(X = 1) = P(X = 3)$ है, तो इसका बहुलक (mode) क्या होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
55
If X is random Poisson variate such that P(X=1) = P(X=2). What is the P(X=4) ?
यदि X एक ऐसा पॉइसन यादृच्छिक चर (Poisson random variate) है कि P(X=1) = P(X=2), तो P(X=4) का मान क्या होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
56
A random variable X has binomial distribution with n=10 and q=0.3, then variance of X is :
एक यादृच्छिक चर X का द्विपद बंटन (Binomial distribution) है जिसमें n = 10 तथा q = 0.3 है, तो X का प्रसरण (Variance) क्या होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
57
In the Poisson probability distribution, if the value of k is integer then the distribution will be :
पॉइसन प्रायिकता बंटन में, यदि प्राचल का मान एक पूर्णांक (Integer) हो, तो बंटन कैसा होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
58
Let Y be the number of successes in n independent repetitions of a random experiment having probability of success p= 2/3. If n= 3, compute P (2 <= Y).
मान लीजिए कि Y किसी यादृच्छिक प्रयोग के n स्वतंत्र परीक्षणों में सफलताओं की संख्या है, जहाँ सफलता की प्रायिकता p = 2/3 है। यदि n = 3 हो, तो P(2 <= Y) का मान ज्ञात कीजिए।
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
59
The skewness in a binomial distribution will be zero, if :
द्विपद बंटन (Binomial distribution) में विषमता (Skewness) शून्य होगी, यदि :
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
60
If X and Y are independent Poisson variates having means 1 and 3 respectively, find the variance of 3X+Y.
यदि X और Y स्वतंत्र पॉइसन चर (Independent Poisson variates) हैं जिनके माध्य क्रमशः 1 और 3 हैं, तो 3X+Y का प्रसरण (Variance) ज्ञात कीजिए।
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
61
In a Poisson Distribution, if mean = e, then P(x) is given by _______.
एक पॉइसन बंटन में, यदि माध्य = e है, तो P(x) किसके द्वारा दिया जाएगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
62
When Viswanath plays chess, he wins with probability 0.80, loses with probability 0.20. Assume independence, find the probability that Viswanath's first win happens when he plays his third game.
जब विश्वनाथ शतरंज खेलते हैं, तो उनके जीतने की प्रायिकता 0.80 और हारने की प्रायिकता 0.20 है। स्वतंत्रता (Independence) मानते हुए, क्या प्रायिकता है कि विश्वनाथ की पहली जीत उनके तीसरे खेल में हो?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
63
If $3\%$ of calculators are defective, find the standard deviation of the defectives in $300$ calculators?
यदि $3\%$ कैलकुलेटर दोषपूर्ण हैं, तो $300$ कैलकुलेटरों में दोषपूर्ण की संख्या का मानक विचलन ज्ञात कीजिए:
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
64
Let random variables $X_1, X_2, \dots, X_k$ follow a multinomial distribution with parameters $n$ and $p_i$ where $i = 1, 2, \dots, k$. What is the value of $\operatorname{Cov}(X_i, X_j)$ for $i \ne j$?
मान लीजिए यादृच्छिक चर $X_1, X_2, \dots, X_k$ प्राचलों $n$ और $p_i$ (जहाँ $i = 1, 2, \dots, k$) के साथ बहुपदी बंटन का पालन करते हैं। $i \ne j$ के लिए $\operatorname{Cov}(X_i, X_j)$ का मान क्या होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
65
If two independent random variables $X$ and $Y$ are binomially distributed with $n_1 = 4, p = 1/3$ and $n_2 = 5, p = 1/3$ respectively, find the mode of the distribution of $(X + Y)$:
यदि दो स्वतंत्र यादृच्छिक चर $X$ और $Y$ क्रमशः $n_1 = 4, p = 1/3$ तथा $n_2 = 5, p = 1/3$ के साथ द्विपद रूप से बंटित हैं, तो $(X + Y)$ के बंटन का बहुलक ज्ञात कीजिए:
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
66
If $X$ and $Y$ are independent Poisson variates, what is the conditional distribution of $X$ given $(X + Y)$?
यदि $X$ और $Y$ स्वतंत्र प्वासों चर हैं, तो $(X + Y)$ दिए जाने पर $X$ का सप्रतिबंध बंटन क्या होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
67
The coefficient of variation of a Poisson distribution with mean $9$ is:
माध्य $9$ वाले प्वासों बंटन का विचरण गुणांक क्या होगा?
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
68
If the mean and variance of a variable following binomial distribution are $16$ and $8$ respectively, then find $P(X > 0)$:
यदि द्विपद बंटन का पालन करने वाले एक चर के माध्य और प्रसरण क्रमशः $16$ और $8$ हैं, तो $P(X > 0)$ ज्ञात कीजिए:
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
69
In a test for the population mean, if the null hypothesis is not rejected when the alternative hypothesis is true, then:
समष्टि माध्य के परीक्षण में, यदि वैकल्पिक परिकल्पना के सत्य होने पर भी शून्य परिकल्पना को अस्वीकार नहीं किया जाता है, तो:
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
70
If $X \sim N(\mu, \sigma^2)$, the maximum ordinate is at $X = \mu$ and is given by:
यदि $X \sim N(\mu, \sigma^2)$ है, तो अधिकतम कोटि (Maximum ordinate) $X = \mu$ पर होती है और इसका मान किसके द्वारा दिया जाता है?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
71
If the random variable $X$ has normal distribution with probability density function $f(x) = \frac{1}{\sqrt{2\pi}} e^{-(x-1)^2/2}, -\infty < x < \infty$, then the value of $\int_1^\infty f(x) dx$ is:
यदि यादृच्छिक चर $X$ का प्रायिकता घनत्व फलन (pdf) $f(x) = \frac{1}{\sqrt{2\pi}} e^{-(x-1)^2/2}, -\infty < x < \infty$ के साथ प्रसामान्य बंटन (normal distribution) है, तो समाकल $\int_1^\infty f(x) dx$ का मान है:
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
72
The annual rainfall at a place is normally distributed with mean 1200 mm and standard deviation 200 mm. What is the probability that in a randomly selected year, the rainfall will be greater than 1400 mm? [Given that the area under the standard normal curve between $Z = 0$ and $Z = 1$ is 0.34]
एक स्थान पर वार्षिक वर्षा प्रसामान्य रूप से बंटित है जिसका माध्य 1200 मिमी और मानक विचलन 200 मिमी है। यादृच्छिक रूप से चुने गए वर्ष में वर्षा 1400 मिमी से अधिक होने की प्रायिकता क्या है? [दिया गया है कि मानक प्रसामान्य वक्र के तहत $Z = 0$ और $Z = 1$ के बीच का क्षेत्रफल 0.34 है]
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
73
The mean deviation from the mean m in a normal distribution with variance v^2 is approximately :
प्रसरण (Variance) v^2 वाले प्रसामान्य बंटन (Normal distribution) में माध्य m से माध्य विचलन (Mean deviation) लगभग किसके बराबर होता है?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
74
If the Z-score of normal distribution is 2.5, the mean of the distribution is 45 and the standard deviation is 3, then the value of X for a normal distribution is :
यदि प्रसामान्य बंटन का Z-स्कोर 2.5 है, बंटन का माध्य 45 है तथा मानक विचलन 3 है, तो प्रसामान्य बंटन के चर X का मान क्या होगा?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
75
In a normal distribution 10.03% of the items are under 35kg weight and 89.97% of the items are under 80kg weight. What are the mean and standard deviation of the distribution ?
एक प्रसामान्य बंटन में 10.03% वस्तुएँ 35 किग्रा भार से कम हैं तथा 89.97% वस्तुएँ 80 किग्रा भार से कम हैं। इस बंटन का माध्य और मानक विचलन क्या है?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
76
The point of inflexion of Normal (mu, sigma^2) curve are :
प्रसामान्य (mu, sigma^2) वक्र के नति परिवर्तन बिंदु (Points of inflexion) कहाँ स्थित होते हैं?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
77
In a normal curve, 99% of the observations are included in the range :
प्रसामान्य वक्र में, 99% प्रेक्षण किस परास (Range) में सम्मिलित होते हैं?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
78
In the standard normal distribution, $P(Z \le 0)$ is equal to:
मानक प्रसामान्य बंटन में, $P(Z \le 0)$ का मान किसके बराबर होता है?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
79
Let $\bar{X}$ be the mean of a random sample of size $5$ from a normal distribution with $\mu = 0$ and variance $\sigma^2 = 125$. Determine $c$ so that $P\{\bar{X} < c\} = 0.90$:
मान लीजिए $\bar{X}$ सामान्य बंटन (जहाँ $\mu = 0$ और प्रसरण $\sigma^2 = 125$ है) से आकार $5$ के एक यादृच्छिक प्रतिदर्श का माध्य है। $c$ का मान ज्ञात कीजिए ताकि $P\{\bar{X} < c\} = 0.90$ हो:
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
80
A random variable $X$ is normally distributed with zero mean and unit variance. The variance of $X^2$ is:
एक यादृच्छिक चर $X$ शून्य माध्य और इकाई प्रसरण के साथ प्रसामान्य रूप से बंटित है। $X^2$ का प्रसरण क्या होगा?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
81
In a Binomial distribution, if '$n$' is the number of trials and '$p$' is the probability of success, then the standard deviation is given by:
एक द्विपद बंटन में, यदि '$n$' परीक्षणों की संख्या और '$p$' सफलता की प्रायिकता है, तो मानक विचलन किसके द्वारा दिया जाता है?
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
82
The unit of coefficient of correlation is:
सहसंबंध गुणांक (Coefficient of correlation) की इकाई (Unit) क्या होती है?
Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
83
Which of the following is not a characteristic of the normal distribution ?
निम्नलिखित में से कौन-सी प्रसामान्य बंटन (Normal distribution) की विशेषता नहीं है?
Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
84
A multiple-choice test has 30 questions. There are 4 choices for each question. A student who has not studied for the test decides to answer all the questions randomly by guessing the answer to each question. Which of the following probability distributions can be used to calculate the student's chance of getting at least 20 questions right ?
एक बहुविकल्पीय परीक्षा में 30 प्रश्न हैं। प्रत्येक प्रश्न के 4 विकल्प हैं। एक छात्र जिसने परीक्षा के लिए अध्ययन नहीं किया है, प्रत्येक प्रश्न के उत्तर का अनुमान लगाकर सभी प्रश्नों को यादृच्छिक रूप से हल करने का निर्णय लेता है। छात्र द्वारा कम से कम 20 प्रश्नों के सही उत्तर देने की संभावना की गणना करने के लिए निम्नलिखित में से किस प्रायिकता बंटन का उपयोग किया जा सकता है?
Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
85
The range of correlation coefficient ($r$) is:
सहसंबंध गुणांक ($r$) का परास (सीमा) क्या होता है?
Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
86
Which of the following provides the best and most consistent estimate of the population mean $\mu$?
निम्नलिखित में से कौन समष्टि माध्य $\mu$ का सर्वोत्तम और सबसे संगत आकलन (most consistent estimate) प्रदान करता है?
Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
87
If a constant 35 is added to each of the value of X and Y, the regression coefficient is :
यदि X और Y के प्रत्येक मान में एक अचर 35 जोड़ दिया जाए, तो समाश्रयण गुणांक (Regression coefficient) :
Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
88
In the straight line graph of the linear equation Y = a + bX, slope is horizontal if :
रैखिक समीकरण Y = a + bX के सरल रेखा ग्राफ में, ढाल (Slope) क्षैतिज (Horizontal) होगी यदि :
Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
89
In simple linear regression, the number of unknown constants are :
सरल रैखिक समाश्रयण (Simple linear regression) में अज्ञात नियतांकों (Unknown constants) की संख्या कितनी होती है?
Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
90
If the regression line is given by $X = 2 + 4Y$, then the correlation coefficient ($r$) is:
यदि समाश्रयण रेखा $X = 2 + 4Y$ द्वारा दी गई है, तो सहसंबंध गुणांक ($r$) कैसा होगा?
Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
91
In a standard normal distribution, the value of median is:
मानक प्रसामान्य बंटन में माध्यिका का मान क्या होता है?
Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
92
The arithmetic mean of the two regression coefficients $b_{yx}$ and $b_{xy}$ is:
दो समाश्रयण गुणांकों $b_{yx}$ और $b_{xy}$ का समांतर माध्य (arithmetic mean) होता है:
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
93
A researcher wants to test whether the mean yield of a crop has changed from the standard 50 q/ha. A sample of 16 plots gave a mean of 52 q/ha. The population standard deviation is known to be $\sigma = 3.2$ q/ha. Which test should be used?
एक शोधकर्ता यह परीक्षण करना चाहता है कि क्या किसी फसल की औसत उपज मानक 50 क्विंटल/हेक्टेयर से बदल गई है। 16 भूखंडों के एक प्रतिदर्श में 52 क्विंटल/हेक्टेयर का औसत प्राप्त हुआ। समष्टि का मानक विचलन $\sigma = 3.2$ क्विंटल/हेक्टेयर ज्ञात है। इसके लिए किस परीक्षण का उपयोग किया जाना चाहिए?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
94
The difference between an estimate and the parameter is called :
किसी आकलक (Estimate) और प्राचल (Parameter) के बीच के अंतर को क्या कहा जाता है?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
95
If I conduct a research and choose for my sample whoever walks by the mall, that is an example of :
यदि मैं एक शोध करता हूँ और मॉल के पास से गुजरने वाले किसी भी व्यक्ति को अपने प्रतिदर्श (Sample) के रूप में चुन लेता हूँ, तो यह किसका उदाहरण है?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
96
The list of all sampling units in the population is known as :
समष्टि (Population) में सभी प्रतिचयन इकाइयों (Sampling units) की संपूर्ण सूची को क्या कहा जाता है?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
97
In Simple Random Sampling with replacement (SRSWR) the variance of bar{y}_n (with standard notation) is given by :
प्रतिस्थापन सहित सरल यादृच्छिक प्रतिचयन (SRSWR) में, मानक संकेतों के साथ प्रतिदर्श माध्य bar{y}_n का प्रसरण किसके द्वारा दिया जाता है?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
98
The distribution that is formed by all possible values of a statistic is known as:
किसी प्रतिदर्शज (सांख्यिकी) के सभी संभावित मानों द्वारा बनने वाले बंटन को क्या कहा जाता है?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
99
A sample consists of:
एक प्रतिदर्श (सैंपल) में क्या शामिल होता है?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
100
In Simple Random Sampling with replacement (SRSWR), the total number of possible samples (with standard notation) will be:
प्रतिस्थापन सहित सरल यादृच्छिक प्रतिचयन में संभावित प्रतिदर्शों की कुल संख्या (मानक संकेतन में) क्या होगी?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
101
In one-way ANOVA, if the calculated F value is less than the table F value, then:
एकतरफा प्रसरण विश्लेषण में यदि परिकलित F का मान सारणी F मान से कम है, तो क्या निर्णय लिया जाता है?
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
102
The probability of rejecting the null hypothesis $H_0$ when it is actually true is known as:
निराकरणीय परिकल्पना $H_0$ के वास्तव में सत्य होने पर उसे अस्वीकार (reject) करने की प्रायिकता कहलाती है:
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
103
In Simple Random Sampling Without Replacement (SRSWOR) from a finite population of size $N$, the probability of selecting any specified population unit at the $k$-th draw ($1 \le k \le N$) is:
$N$ आकार की परिमित समष्टि से बिना प्रतिस्थापन के सरल यादृच्छिक प्रतिचयन (SRSWOR) में, $k$-वें निष्कर्षण ($1 \le k \le N$) पर किसी निर्दिष्ट समष्टि इकाई के चयनित होने की प्रायिकता होती है:
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
104
Choose the correct answer :
सही उत्तर का चयन कीजिए :
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
105
Consider a hypothesis Ho where phi_0 = 5 against H1 where phi_1 > 5. The test is :
एक परिकल्पना पर विचार करें जहाँ Ho: phi_0 = 5 के विरुद्ध वैकल्पिक परिकल्पना H1: phi_1 > 5 है। यह परीक्षण कैसा होगा?
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
106
Which of the following p-values will lead us to reject the null hypothesis if the significance level of the test is 5% ?
यदि परीक्षण का सार्थकता स्तर (Significance level) 5% है, तो निम्नलिखित में से कौन-सा p-मान (p-value) हमें शून्य परिकल्पना को अस्वीकार करने की ओर ले जाएगा?
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
107
Choose the correct answer:
सही उत्तर का चयन कीजिए:
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
108
Suppose the correlation coefficient for a pair of $625$ random samples is $0.2$. Is the value of $r$ significant? Given $t_{0.05, 623} = 1.96$:
मान लीजिए $625$ यादृच्छिक युग्मों के प्रतिदर्श के लिए सहसंबंध गुणांक $0.2$ है। क्या $r$ का मान सार्थक है? दिया गया मान: $t_{0.05, 623} = 1.96$:
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
109
Out of these, which is not a probability sampling?
इनमें से कौन-सा एक प्रायिकता प्रतिचयन नहीं है?
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
110
Which statistical test is appropriate for testing a hypothesis about a single population mean when the population variance is KNOWN, even if the sample size is small?
जब समष्टि प्रसरण (population variance) ज्ञात हो, तो प्रतिदर्श का आकार छोटा होने पर भी एकल समष्टि माध्य के परीक्षण के लिए कौन सा सांख्यिकीय परीक्षण उपयुक्त है?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
111
In a two-sample pooled t-test for comparing the means of two independent normal populations with sample sizes $n_1$ and $n_2$ and equal variances, the degrees of freedom associated with the test statistic is:
समान प्रसरण वाली दो स्वतंत्र प्रसामान्य समष्टियों के माध्यों की तुलना के लिए $n_1$ और $n_2$ आकार के दो प्रतिदर्शों वाले संयुक्त t-परीक्षण (pooled t-test) में परीक्षण सांख्यिकी से संबद्ध स्वातंत्र्य कोटि (degrees of freedom) होती है:
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
112
While testing the significance of a sample correlation coefficient $r$ calculated from a sample of size $n$, the null hypothesis $H_0: \rho = 0$ is tested using a t-statistic with degrees of freedom:
$n$ आकार के प्रतिदर्श से परिकलित प्रतिदर्श सहसंबंध गुणांक $r$ की सार्थकता का परीक्षण करते समय, निराकरणीय परिकल्पना $H_0: \rho = 0$ का परीक्षण कितनी स्वातंत्र्य कोटि (degrees of freedom) वाले t-सांख्यिकी से किया जाता है?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
113
When observations in two samples are paired and correlated (e.g., before and after measurements on the same $n$ subjects), the null hypothesis $H_0: \mu_D = 0$ is tested using:
जब दो प्रतिदर्शों में प्रेक्षण युग्मित और सहसंबंधित हों (उदा. समान $n$ विषयों पर 'पहले' और 'बाद' के माप), तो निराकरणीय परिकल्पना $H_0: \mu_D = 0$ का परीक्षण किसके द्वारा किया जाता है?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
114
For an $r \times s$ contingency table with total frequency $N$, the exact mean (expected value) of the Pearson chi-square statistic $X^2$ as derived by Haldane is:
कुल बारंबारता $N$ वाली एक $r \times s$ प्रसंग सारणी (contingency table) के लिए, हाल्डेन (Haldane) द्वारा व्युत्पन्न पियर्सन काई-वर्ग सांख्यिकी $X^2$ का सटीक माध्य (प्रत्याशित मान) है:
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
115
The probability of selecting an item in probability sampling, from the population is :
प्रायिकता प्रतिचयन (Probability sampling) में, समष्टि से किसी इकाई के चयन की प्रायिकता कैसी होती है?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
116
The method of least squares dictates that we choose a regression line where the sum of the square of deviations of the points from the line is :
न्यूनतम वर्ग विधि (Method of least squares) यह निर्देशित करती है कि हमें ऐसी समाश्रयण रेखा चुननी चाहिए जहाँ रेखा से बिंदुओं के विचलनों के वर्गों का योग कैसा हो?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
117
Increasing the sample size has the following effect upon the sampling error :
प्रतिदर्श आकार (Sample size) बढ़ाने पर प्रतिचयन त्रुटि (Sampling error) पर क्या प्रभाव पड़ता है?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
118
A die is thrown $60$ times and the number of times the following faces were obtained: Faces: $1, 2, 3, 4, 5, 6$ No of times: $14, 7, 5, 8, 10, 16$ Can the die be regarded as fair? Given $\chi^2_{0.05, 5} = 11.07$:
एक पासे को $60$ बार फेंका गया और विभिन्न फलक आने की बारंबारता इस प्रकार प्राप्त हुई: फलक: $1, 2, 3, 4, 5, 6$ बारंबारता: $14, 7, 5, 8, 10, 16$ क्या पासे को निष्पक्ष माना जा सकता है? दिया गया मान: $\chi^2_{0.05, 5} = 11.07$:
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
119
Given the eight sample values as $-4, -3, -3, 0, 3, 3, 4, 4$, the value of student's t-test for $H_0: \mu = 0$ is:
आठ प्रतिदर्श मान $-4, -3, -3, 0, 3, 3, 4, 4$ दिए जाने पर $H_0: \mu = 0$ हेतु स्टूडेंट टी-परीक्षण का मान क्या होगा?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
120
A random sample of size $20$ from a normal population gives a mean of $42$ and variance of $25$. To test that the population standard deviation is $8$, the value of test statistic is:
प्रसामान्य समष्टि से आकार $20$ का एक यादृच्छिक प्रतिदर्श $42$ माध्य और $25$ प्रसरण देता है। यह परीक्षण करने के लिए कि समष्टि मानक विचलन $8$ है, परीक्षण सांख्यिकी का मान क्या होगा?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
121
If all observed frequencies of classes are equal to expected frequencies, the value of chi-square ($\chi^2$) is:
यदि वर्गों की सभी प्रेक्षित आवृत्तियां प्रत्याशित आवृत्तियों के समान हों, तो काई-वर्ग ($\chi^2$) का मान क्या होगा?
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
122
If a hypothesis is rejected at the $0.025$ level of significance, it:
यदि किसी परिकल्पना को $0.025$ सार्थकता स्तर पर अस्वीकार कर दिया जाता है, तो यह:
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
123
The geometric mean of the two numbers 625 and 1 is:
दो संख्याओं 625 और 1 का गुणोत्तर माध्य (Geometric Mean) क्या है?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
124
The harmonic mean of the two regression coefficients $b_{yx}$ and $b_{xy}$ is:
दो समाश्रयण गुणांकों (regression coefficients) $b_{yx}$ और $b_{xy}$ का हरात्मक माध्य (harmonic mean) होता है:
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
125
If the estimated linear regression equation of $Y$ on $X$ is given by $Y = 100 + 7X$, then the predicted value of $Y$ when $X = 20$ is:
यदि $X$ पर $Y$ का आकलित रैखिक समाश्रयण समीकरण $Y = 100 + 7X$ दिया गया है, तो $X = 20$ होने पर $Y$ का अनुमानित मान क्या होगा?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2024 Shift 1 MCQ (Single Correct) +4 / −1
126
If n is the number of treatments and r is the number of replications, what is the error degrees of freedom in RBD ?
यदि n उपचारों (Treatments) की संख्या है और r प्रतिकृतियों (Replications) की संख्या है, तो यादृच्छिक ब्लॉक अभिकल्पना (RBD) में त्रुटि की स्वतंत्रता की कोटि (Error degrees of freedom) क्या होगी?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
127
Completely randomized designs are suitable in the situation(s) when :
पूर्णतया यादृच्छिक अभिकल्पना (CRD) किस परिस्थिति में उपयुक्त होती है?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
128
Uniformity trials are conducted to :
समरूपता परीक्षण (Uniformity trials) किस उद्देश्य से आयोजित किए जाते हैं?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
129
In the field layout of a randomized block design, the blocks are formed in the direction :
यादृच्छिक ब्लॉक अभिकल्पना (RBD) के प्रक्षेत्र विन्यास में, ब्लॉकों का निर्माण किस दिशा में किया जाता है?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
130
Replication in an experiment provides :
किसी प्रयोग में प्रतिकृति (Replication) क्या प्रदान करती है?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
131
In a completely randomized design, there are five treatments T1, T2, T3, T4 and T5. T1, T2, T3 and T4 are replicated 3, 4, 5 and 6 times respectively. If the error degrees of freedom is 19, then T5 is replicated :
एक पूर्णतया यादृच्छिक अभिकल्पना में पाँच उपचार T1, T2, T3, T4 और T5 हैं। T1, T2, T3 और T4 को क्रमशः 3, 4, 5 और 6 बार दोहराया गया है। यदि त्रुटि की स्वतंत्रता की कोटि 19 है, तो T5 को कितनी बार दोहराया गया है?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
132
In case of a randomized block design with 5 treatments, the mean sum of squares due to error is 2 and the F-value for testing significance of treatment differences is 12.5, then the treatment sum of squares will be :
5 उपचारों वाले यादृच्छिक ब्लॉक अभिकल्पना में, त्रुटि के कारण माध्य वर्ग योग (MSE) 2 है और उपचार अंतरों की सार्थकता हेतु F-मान 12.5 है, तो उपचार वर्ग योग (SST) क्या होगा?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
133
An experiment is conducted in a Randomized block design with five treatments in four replications, the standard error of the difference between two treatments means are (MSE is the error mean square) :
चार प्रतिकृतियों में पाँच उपचारों के साथ यादृच्छिक ब्लॉक अभिकल्पना में एक प्रयोग किया जाता है। दो उपचार माध्यों के बीच के अंतर की मानक त्रुटि (SE of difference) क्या होगी? (MSE त्रुटि माध्य वर्ग है)
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
134
In a layout of a randomized block design with 7 treatments, each replicated 5 times, the needed 35 experimental units will be grouped into :
7 उपचारों वाले यादृच्छिक ब्लॉक अभिकल्पना के विन्यास में, जहाँ प्रत्येक उपचार को 5 बार दोहराया गया है, आवश्यक 35 प्रायोगिक इकाइयों को किस प्रकार समूहीकृत किया जाएगा?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
135
A variable that can assume any value between two given points is called :
एक चर जो किन्हीं दो दिए गए बिंदुओं के बीच कोई भी मान ग्रहण कर सकता है, कहलाता है :
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 Multiple Correct +4 / −1
136
In RCBD, if we assume that the treatments are fixed and the blocks are random, such a model is called:
आरसीबीडी में यदि हम यह मान लें कि उपचार निश्चित हैं और ब्लॉक यादृच्छिक हैं, तो ऐसे मॉडल को क्या कहा जाता है?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
137
If in the CRD some observations are missing, then also the analysis is very simple because the missing observations are discarded and we carry out the experiment without losing:
सीआरडी में यदि कुछ प्रेक्षण लुप्त हो जाते हैं, तो भी विश्लेषण बहुत सरल होता है क्योंकि लुप्त प्रेक्षणों को छोड़ दिया जाता है और हम क्या खोए बिना प्रयोग जारी रख सकते हैं?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
138
If the sample means for each of the $k$ treatment groups were identical, what would be the observed value of the ANOVA test statistic?
यदि प्रत्येक $k$ उपचार समूहों के प्रतिदर्श माध्य बिल्कुल समान हों, तो प्रसरण विश्लेषण परीक्षण सांख्यिकी का प्रेक्षित मान क्या होगा?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
139
The runs scored by Virat Kohli during IPL $2023$ are as follows: $2, 45, 65, 7, 5, 14, 26, 46, 43, 112, 113, 9, 13$, and $49$. Find the median score:
आईपीएल 2023 के दौरान विराट कोहली द्वारा बनाए गए रन इस प्रकार हैं: $2, 45, 65, 7, 5, 14, 26, 46, 43, 112, 113, 9, 13$ और $49$। माध्यिका स्कोर ज्ञात कीजिए:
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1
140
The independent variable is also called:
स्वतंत्र चर को और क्या कहा जाता है?
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Statistical Sciences 2023 Shift 1 MCQ (Single Correct) +4 / −1

Syllabus Chapters Breakdown पाठ्यक्रम अध्याय विभाजन

14 Chapters 14 अध्याय
Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric Theoretical Discrete Probability Distributions: Bernoulli, Binomial, Poisson, Geometric and Hypergeometric
21 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments Design of Experiments: Principles of Experimentation, CRD, RBD, Latin Square Design (LSD) and Factorial Experiments
18 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem Probability Theory: Classical, Axiomatic Definitions, Addition, Multiplication Theorems and Bayes Theorem
15 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables Small Sample Tests: Students t-test, Snedecors F-test, Chi-Square Test of Goodness of Fit and Contingency Tables
13 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode Measures of Central Tendency: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median and Mode
12 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions Theoretical Continuous Probability Distributions: Uniform, Normal, Exponential, Beta and Gamma Distributions
12 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling Sampling Theory: Census vs Sample Survey, Sampling Errors, SRSWOR, SRSWR, Stratified, Systematic and Cluster Sampling
10 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation Measures of Dispersion: Range, Quartile Deviation, Mean Deviation, Standard Deviation and Coefficient of Variation
8 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test) Testing of Hypotheses: Null and Alternative Hypotheses, Type I and II Errors, Significance Level, Large Sample Tests (Z-test)
8 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations Collection, Classification and Tabulation of Data, Frequency Distributions and Graphical Representations
7 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared Regression Analysis: Simple and Multiple Linear Regression, Least Squares Principle, Properties and R-Squared
6 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions Random Variables, Probability Mass and Density Functions, Expectation and Moment Generating Functions
4 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation Correlation Analysis: Simple, Partial, Multiple Correlation, Pearson Coefficient and Rank Correlation
4 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Moments, Skewness (Karl Pearson, Bowley) and Kurtosis Moments, Skewness (Karl Pearson, Bowley) and Kurtosis
2 Questions Practice & Analytics → अभ्यास एवं सांख्यिकी →
Official PYQ Papers

Previous Year Papers of Statistical Sciences

Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.

3
Total Available Previous Papers

Choose Exam

Exam Directory

Browse official Previous papers and mock tests

10 Major Agriculture Exams Available