The geometric mean of 1, 2, 4, 8, 16 is: MCQ with Answer and Explanation

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The geometric mean of 1, 2, 4, 8, 16 is:

A. 4

B. 3.5

C. 6

D. 5.2

Answer: Option A

Solution (By JKSSB Mock Tests)

Product = 1×2×4×8×16 = 1024. 1024^(1/5) = 4 (since 4^5=1024).

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Which of the following is NOT a test of index numbers?

A. Mean test

B. Circular test

C. Time reversal test

D. Factor reversal test

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Correct Answer: Option A

Explanation:
Common tests are time reversal, factor reversal, and circular test. 'Mean test' is not standard.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Dorbish and Bowley's price index is the:

A. Geometric mean of Laspeyres and Paasche

B. Harmonic mean of Laspeyres and Paasche

C. Difference between Laspeyres and Paasche

D. Arithmetic mean of Laspeyres and Paasche

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Correct Answer: Option D

Explanation:
Dorbish-Bowley index averages the Laspeyres and Paasche formulas using a simple arithmetic mean: (L + P) / 2.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The dependency ratio measures the ratio of:

A. Non-working age population to working-age population

B. Unemployed to employed population

C. Rural to urban population

D. Female to male population

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Correct Answer: Option A

Explanation:
Dependency ratio = (Population under 15 + Population over 65) / Population aged 15-64.

This question belongs to: Accountancy and Statistics Statistics

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