Q.1
RPSC AO 2024 MCQ (Single Correct) +1 −0.33
Benzoic acid is the most effective against :
बेंजोइक एसिड (Benzoic acid) किसके विरुद्ध सबसे अधिक प्रभावी है ?
Q.2
RPSC AO 2024 MCQ (Single Correct) +1 −0.33
The geometric mean of $\frac{1}{16}$ and $\frac{4}{25}$ is :
$\frac{1}{16}$ और $\frac{4}{25}$ का गुणोत्तर माध्य (Geometric Mean) है :
Q.3
RPSC AO 2024 MCQ (Single Correct) +1 −0.33
If $r = \pm 1$, the two regression lines are :
यदि $r = \pm 1$ हो, तो प्रतीपगमन की दो रेखाएँ (Regression lines) :
Q.4
RPSC AO 2024 MCQ (Single Correct) +1 −0.33
X and Y are discrete random variables. If $\text{Var}(X) = \text{Var}(Y) = \sigma^2$, $\text{Cov}(X, Y) = \frac{\sigma^2}{2}$, find $\text{Corr}(2X + 3, 2Y - 3)$.
$X$ और $Y$ असंतत यादृच्छिक चर हैं। यदि $\text{Var}(X) = \text{Var}(Y) = \sigma^2$, $\text{Cov}(X, Y) = \frac{\sigma^2}{2}$, तो $\text{Corr}(2X + 3, 2Y - 3)$ का मान ज्ञात कीजिए :
Q.5
RPSC AO 2024 MCQ (Single Correct) +1 −0.33
What will be the degrees of freedom for chi-square in case of contingency table of order $(4 \times 3)$ ?
$(4 \times 3)$ क्रम वाली आसंग सारणी (Contingency table) के लिए काई-वर्ग की स्वातंत्र्य कोटियाँ (Degrees of freedom) कितनी होंगी ?

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