A researcher finds (A)=100, (AB)=110. This data is: MCQ with Answer and Explanation

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A researcher finds (A)=100, (AB)=110. This data is:

A. Inconsistent

B. Consistent

C. None

D. Indicates perfect association

Answer: Option A

Solution (By JKSSB Mock Tests)

(AB) cannot exceed (A) as it is a subset; 110 > 100 violates this, so data inconsistent.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

For two attributes A and B, independence (no association) implies:

A. (AB) = 0

B. (AB)/N = (A)/N × (B)/N

C. (AB) = (A) + (B)

D. (AB) = (A)(B)/N²

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Correct Answer: Option B

Explanation:
Independence means the proportion of items with both attributes equals the product of the individual proportions.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Which of the following statements about crude birth rate (CBR) is true?

A. CBR includes only male births.

B. CBR is a refined measure of fertility.

C. CBR = (Total births / Total female population) × 1000

D. CBR is affected by the age structure of the population.

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Correct Answer: Option D

Explanation:
CBR uses total population, so age composition influences it.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Which method is NOT a technique for collecting primary data?

A. Extraction from government census publications

B. Mailed questionnaire method

C. Direct personal investigation

D. Telephonic interview

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Correct Answer: Option A

Explanation:
Extraction from government census publications is a source of secondary data, not a method for collecting primary data, which requires firsthand gathering by the investigator.

This question belongs to: Accountancy and Statistics Statistics

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