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Which statement best explains Standard deviation?

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Question ID #27102 UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC 2026 Full-Length Mock Test 6 Medium

Correct Answer: D. Positive square root of variance
Standard deviation: Positive square root of variance

Question: Which statement best explains Standard deviation?

A. Symmetric bell-shaped continuous distribution characterized by mean and variance

B. Middle value after arranging observations in order

C. Difference arising because a sample rather than the whole population is observed

D. Positive square root of variance

Correct Answer: D. Positive square root of varianceStandard deviation: Positive square root of variance

Which statement best explains Standard deviation? - MCQ Explanation

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Correct answer: D. Positive square root of variance