If (AB) = 0, the two attributes are: MCQ with Answer and Explanation

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If (AB) = 0, the two attributes are:

A. Perfectly correlated

B. Independent

C. Completely associated positively

D. Completely disassociated

Answer: Option D

Solution (By JKExamLibrary)

(AB)=0 means no unit possesses both A and B, indicating perfect negative association.

This question belongs to: Accountancy and Statistics Statistics

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The data collected by the NSSO through its surveys is an example of:

A. Primary data for NSSO

B. None

C. Both A and B

D. Secondary data for researchers

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Correct Answer: Option C

Explanation:
For NSSO, it is primary data; for others using the reports, it is secondary data.

This question belongs to: Accountancy and Statistics Statistics

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Which of the following is NOT a source of demographic data?

A. Sample surveys like NFHS

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The Net Reproduction Rate (NRR) of a population is 0.9. This indicates that:

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Correct Answer: Option A

Explanation:
NRR < 1 means each generation is not fully replacing itself, leading to long-term decline.

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