The difference between the birth rate and death rate is called: MCQ with Answer and Explanation

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The difference between the birth rate and death rate is called:

A. Natural increase

B. Doubling time

C. Net migration

D. Growth rate

Answer: Option A

Solution (By JKSSB Mock Tests)

Natural increase = CBR - CDR (excluding migration).

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

A random variable X has expected value E(X) = 5 and E(X²) = 29. The variance is:

A. 24

B. 2

C. 4

D. 5

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Correct Answer: Option C

Explanation:
Var(X) = E(X²) - [E(X)]² = 29 - 25 = 4.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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

A. All of the above

B. Census

C. Vital registration

D. Sample surveys

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Correct Answer: Option A

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

This question belongs to: Accountancy and Statistics Statistics

Question #3

Which of the following is NOT a principle of questionnaire design?

A. Questions should be capable of being misinterpreted

B. Avoid leading questions

C. Maintain logical sequence

D. Questions should be specific

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Correct Answer: Option A

Explanation:
Questions should be clear and unambiguous to prevent misinterpretation.

This question belongs to: Accountancy and Statistics Statistics

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