Assertion (A): Direct personal investigation is always the most suitable method for data collection. Reason (R): It provides original and highly accurate data. MCQ with Answer and Explanation

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Assertion (A): Direct personal investigation is always the most suitable method for data collection. Reason (R): It provides original and highly accurate data.

A. A is false, but R is true

B. Both A and R are true, and R is the correct explanation of A

C. Both A and R are true, but R is not the correct explanation of A

D. A is true, but R is false

Answer: Option A

Solution (By JKExamLibrary)

Direct personal investigation is not always suitable, especially for very large populations, although it does yield highly accurate data.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

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

A. (AB) = (A)(B)/N²

B. (AB)/N = (A)/N × (B)/N

C. (AB) = 0

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

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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 Report Error

General Fertility Rate (GFR) is expressed per:

A. 100 women

B. 1,000 women aged 15-49 years

C. 1,000 live births

D. 10,000 total population

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Correct Answer: Option B

Explanation:
GFR = (Live births in a year / Mid-year population of women aged 15-49) × 1,000, standardizing fertility measurement to the population at risk of childbearing.

This question belongs to: Accountancy and Statistics Statistics