The sum of absolute deviations is minimized by: MCQ with Answer and Explanation

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The sum of absolute deviations is minimized by:

A. Mean

B. Geometric mean

C. Mode

D. Median

Answer: Option D

Solution (By JKSSB Mock Tests)

Median minimizes Σ |x - M|.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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The starting population of a life table is known as the:

A. Radix

B. Base population

C. Cohort

D. Sample

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Correct Answer: Option A

Explanation:
The radix is the assumed initial birth cohort (usually 100,000) for which the life table functions are computed.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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General Fertility Rate (GFR) is the number of live births per:

A. 1000 total population

B. 1000 women of reproductive age (15-49)

C. 1000 live births

D. 1000 married women

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Correct Answer: Option B

Explanation:
GFR = (Live births / Women aged 15-49) × 1000, focusing on the population at risk.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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For a moderately skewed distribution, the difference between mean and mode is approximately:

A. 2 (Median - Mean)

B. 3 (Mean - Median)

C. 2 (Mean - Median)

D. 3 (Median - Mean)

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Correct Answer: Option B

Explanation:
From empirical relation: Mean - Mode ≈ 3(Mean - Median).

This question belongs to: Accountancy and Statistics Statistics

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