If two attributes have perfect positive association, then: MCQ with Answer and Explanation

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If two attributes have perfect positive association, then:

A. (AB) = (A) = (B)

B. (αβ) = 0

C. (A) = (B)

D. (AB) = 0

Answer: Option A

Solution (By JKSSB Mock Tests)

Perfect positive association means all A's are B's and all B's are A's, so (AB) equals both marginals.

This question belongs to: Accountancy and Statistics Statistics

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Net Reproduction Rate (NRR) differs from Gross Reproduction Rate (GRR) because NRR takes into account:

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Correct Answer: Option B

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NRR adjusts the GRR by factoring in the probability that a female child will survive through her reproductive years.

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Correct Answer: Option A

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Time reversal test in index numbers implies that if the base and current periods are interchanged, the resulting index should be the ______ of the original.

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Correct Answer: Option A

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This question belongs to: Accountancy and Statistics Statistics

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