The study of human population, its size, composition, and distribution is called: MCQ with Answer and Explanation

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The study of human population, its size, composition, and distribution is called:

A. Anthropology

B. Ethnography

C. Sociology

D. Demography

Answer: Option D

Solution (By JKSSB Mock Tests)

Demography is the scientific study of human populations, including size, structure, and distribution.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The weighted mean is used when:

A. Data are qualitative

B. Different items have different degrees of importance

C. Data are symmetric

D. All items have the same importance

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Correct Answer: Option B

Explanation:
Weights reflect relative importance of each item.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The main purpose of classification of data is to:

A. Present data in rows and columns

B. Group homogeneous data to highlight similarities and patterns

C. Draw graphs

D. Calculate measures of central tendency

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Correct Answer: Option B

Explanation:
Classification brings order to data by grouping similar items.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If the mode is 24 and median is 25, the approximate arithmetic mean using empirical relation is:

A. 27

B. 26

C. 24.5

D. 25.5

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Correct Answer: Option D

Explanation:
Mode = 3Median - 2Mean → 24 = 3×25 - 2Mean → 2Mean = 75 - 24 = 51 → Mean = 25.5.

This question belongs to: Accountancy and Statistics Statistics

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