Demography is the scientific study of: MCQ with Answer and Explanation

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Demography is the scientific study of:

A. Economy

B. Human population

C. Weather

D. Education

Answer: Option B

Solution (By JKSSB Mock Tests)

Demography deals with the size, structure, and distribution of human populations.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

For a symmetric distribution, which statement is correct?

A. Median = (Mean + Mode)/2

B. Mean = Median = Mode

C. Mode = 3Median - 2Mean

D. Mean - Mode = 3(Mean - Median)

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Correct Answer: Option B

Explanation:
In a perfectly symmetric distribution, all three central measures coincide.

This question belongs to: Accountancy and Statistics Statistics

Question #2

For two attributes A and B, the condition for independence is:

A. (αβ) = 0

B. (AB) = (A)(B)

C. (AB)/N = (A)/N × (B)/N

D. (A) = (B)

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Correct Answer: Option C

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

This question belongs to: Accountancy and Statistics Statistics

Question #3

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

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

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

C. A is true, but R is false

D. A is false, but R is true

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Correct Answer: Option D

Explanation:
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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