General Studies · Moments and Skewness
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: In the statistical analysis of frequency distributions, the second central moment (μ2) is mathematically equivalent to the standard deviation (σ). Reason R: Central moments are defined as the arithmetic mean of the various powers of deviations of items in a distribution from its actual arithmetic mean. In the light of the above statements, choose the most appropriate answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both A and R are correct and R is the correct explanation of A
- 2Both A and R are correct but R is NOT the correct explanation of A
- 3A is correct but R is not correct
- 4A is not correct but R is correct✓
Correct answer
A is not correct but R is correct
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