Which of the following is a direct source of demographic data? MCQ with Answer and Explanation

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Which of the following is a direct source of demographic data?

A. All of the above

B. Sample surveys

C. Census

D. Vital registration

Answer: Option A

Solution (By JKSSB Mock Tests)

All are sources that provide demographic data, though census and registration are more traditional.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Bayes' theorem is based on the concept of:

A. Unconditional probability

B. Disjoint events

C. Conditional probability

D. Joint probability only

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Correct Answer: Option C

Explanation:
Bayes' theorem expresses the conditional probability P(A|B) in terms of P(B|A) and prior probabilities.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The time reversal test is satisfied if P₀₁ × P₁₀ = 1. This ensures:

A. Index is the geometric mean

B. Index uses base year weights

C. Index is free from time bias

D. Index satisfies factor reversal

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Correct Answer: Option C

Explanation:
Time reversal test checks that the index is symmetrical over time.

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Question #3

The number of observations falling in a particular class is called:

A. Cumulative frequency

B. Relative frequency

C. Class mark

D. Class frequency

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Correct Answer: Option D

Explanation:
Class frequency is the count of data points within a class interval.

This question belongs to: Accountancy and Statistics Statistics

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