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

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Demography is the scientific study of:

A. Weather

B. Education

C. Human population

D. Economy

Answer: Option C

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

The combined mean of three groups with means 20, 30, 40 and sizes 10, 15, 25 is:

A. 32

B. 33

C. 35

D. 30

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Correct Answer: Option B

Explanation:
Sum = 200+450+1000=1650, N=50, Mean=33.

This question belongs to: Accountancy and Statistics Statistics

Question #2

A 'questionnaire' is said to be reliable if it:

A. Measures what it intends to measure

B. Has many open-ended questions

C. Is long and detailed

D. Yields consistent results on repeated administration

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Correct Answer: Option D

Explanation:
Reliability refers to consistency of measurement.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Data collected from a published report of the World Bank is called:

A. Primary data

B. Raw data

C. Secondary data

D. Meta data

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Correct Answer: Option C

Explanation:
Published reports contain data already gathered by someone else, hence secondary data.

This question belongs to: Accountancy and Statistics Statistics

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