The geometric mean is most appropriate for averaging: MCQ with Answer and Explanation

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The geometric mean is most appropriate for averaging:

A. Heights

B. Income levels

C. Price ratios and growth rates

D. Test scores

Answer: Option C

Solution (By JKSSB Mock Tests)

Geometric mean is suitable for averaging ratios and percentage changes because it accounts for compounding.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

According to the Census of India 2011, the child sex ratio (0-6 years) was:

A. 943

B. 919

C. 900

D. 940

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Correct Answer: Option B

Explanation:
Child sex ratio (0-6) was 919 females per 1000 males, lower than overall sex ratio.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Crude Death Rate of 8 per 1,000 implies that in a population of 1 million, annual deaths are approximately:

A. 800

B. 800,000

C. 8,000

D. 80,000

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Correct Answer: Option C

Explanation:
CDR = (Deaths / Population) × 1,000 → Deaths = (CDR × Population) / 1,000 = (8 × 1,000,000) / 1,000 = 8,000. Simple application of the rate formula.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If the Laspeyres price index is 120 and Paasche price index is 110, Fisher's ideal index is approximately:

A. 114.9

B. 114.0

C. 116.0

D. 115.5

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Correct Answer: Option A

Explanation:
Fisher's index = √(120 × 110) = √13200 ≈ 114.89 ≈ 114.9. This geometric mean balances the upward bias of Laspeyres and downward bias of Paasche.

This question belongs to: Accountancy and Statistics Statistics

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