Demography is the study of: MCQ with Answer and Explanation

Question

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Demography is the study of:

A. Animal behavior

B. Economic systems

C. Weather patterns

D. Human population

Answer: Option D

Solution (By JKSSB Mock Tests)

Demography deals with human populations — size, composition, and distribution.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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The Paasche quantity index formula is:

A. Σp₀q₁ / Σp₁q₁ × 100

B. Σp₁q₁ / Σp₀q₁ × 100

C. Σp₁q₁ / Σp₁q₀ × 100

D. Σp₀q₁ / Σp₀q₀ × 100

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Correct Answer: Option C

Explanation:
Paasche quantity index uses current period prices as weights.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Which graphical representation uses cumulative frequencies?

A. Frequency polygon

B. Ogive

C. Bar diagram

D. Histogram

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Correct Answer: Option B

Explanation:
An ogive plots cumulative frequencies against class boundaries.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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Yule's coefficient of association (Q) ranges between:

A. -1 and +1

B. 0 and 100

C. 0 and 1

D. -∞ and +∞

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Correct Answer: Option A

Explanation:
Q = (ad - bc) / (ad + bc) lies between -1 and +1.

This question belongs to: Accountancy and Statistics Statistics

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