Demography is primarily the statistical study of: MCQ with Answer and Explanation

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Demography is primarily the statistical study of:

A. Economic output

B. Human populations

C. Industrial production

D. Agricultural yield

Answer: Option B

Solution (By JKSSB Mock Tests)

Demography studies human populations, including their size, structure, distribution, and spatial/temporal changes.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Which average is most appropriate for averaging ratios and rates when the denominators are variable?

A. Median

B. Harmonic mean

C. Arithmetic mean

D. Weighted arithmetic mean

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Correct Answer: Option D

Explanation:
When denominators vary, a weighted mean using denominators as weights is appropriate.

This question belongs to: Accountancy and Statistics Statistics

Question #2

An index number that does not use weights is called:

A. Laspeyres index

B. Weighted index

C. Simple index

D. Fisher index

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Correct Answer: Option C

Explanation:
Simple index numbers give equal importance to all items.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The weighted arithmetic mean formula is:

A. Σw / Σwx

B. Σwx / Σw

C. Σwx / n

D. Σx / Σw

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Correct Answer: Option B

Explanation:
Weighted mean = Σ(w_i × x_i) / Σ w_i.

This question belongs to: Accountancy and Statistics Statistics

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