Q89: In which one of the following cases, would you expect... - Agricultural Statistics - RPSC Assistant Agriculture Officer 2018

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RPSC Assistant Agriculture Officer 2018

MCQ (Single Correct) +3 −1

In which one of the following cases, would you expect to get a negative correlation?

निम्नलिखित में से किस एक स्थिति में आप एक ऋणात्मक सहसम्बन्ध प्राप्त होने की अपेक्षा करेंगे?

The age of husbands and wives. पतियों और पत्नियों की आयु। Shoe size and marks obtained in Statistics. जूतें का माप और सांख्यिकी में प्राप्तांक। Insurance Companies profit and the number of claims they have to pay. बीमा कंपनियों के लाभ और उन दावों की संख्या जिनका उन्हें भुगतान करना पड़े। Amount of rainfall and yield of crop. वर्षा की मात्रा और फसल की उपज।

negative correlation ($r \lt 0$) exists when two variables move in opposite directions: as one variable increases, the other systematically decreases.
When the number of claims an insurance company has to settle increases, its claim payouts rise directly, which decreases its net corporate profits; hence, insurance company profits and number of claims have a strong negative correlation.
Ages of husbands and wives exhibit strong positive correlation.
Rainfall and crop yield generally have positive correlation, while shoe size and exam marks show zero correlation.

ऋणात्मक सह-संबंध (Negative correlation) तब होता है जब दो चर विपरीत दिशाओं में गति करते हैं, अर्थात एक चर के बढ़ने पर दूसरा चर घटता है।
जब बीमा कंपनियों को भुगतान किए जाने वाले दावों (Claims) की संख्या बढ़ती है, तो कंपनी के व्यय बढ़ने से उसका शुद्ध लाभ (Profit) घटता है; अतः दावों की संख्या तथा लाभ के बीच स्पष्ट ऋणात्मक सह-संबंध पाया जाता है।
पति-पत्नी की आयु में धनात्मक सह-संबंध होता है।
जूते के माप और सांख्यिकी के अंकों में शून्य सह-संबंध तथा सामान्य वर्षा व उपज में धनात्मक सह-संबंध होता है।

Explanation not matching this question? क्या व्याख्या इस प्रश्न से मेल नहीं खा रही? Report Mismatch त्रुटि बताएं

Agronomy & Agro-Meteorology 14
Plant Breeding, Genetics & Seed Science 14
Soil Science & Agricultural Chemistry 12
Horticulture 10
Agricultural Economics & Farm Management 13
Agricultural Extension Education 13
Animal Husbandry & Livestock Management 12
Agricultural Engineering & Farm Mechanization 9
Agricultural Statistics 9
Plant Pathology & Entomology 14

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Q89: In which one of the following cases, would you expect... - Agricultural Statistics - RPSC Assistant Agriculture Officer 2018 | Agrigyan

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