Question

If the second and third central moments of a distribution be 4 and 12 respectively, then the skewness of the distribution is
(A) 1.3
(B) 1.2
(C) 1.7
(D) 1.5​

Answer 1

Answer:

c is the correct answer

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Answer 2

Correct option is (D)1.5

Given:

The second and third central moments of a distribution be 4 and 12 respectively

To Find:

The skewness of the distribution .

Solution:

The skewness of a distribution can be calculated using the formula:

skewness = third central moment / (second central moment)^(3/2)

Given that the second and third central moments of the distribution are 4 and 12, respectively, we can plug these values into the formula to find the skewness:

skewness = 12 / (4)^(3/2) = 1.5

Therefore, the skewness of the distribution is (D) 1.5.

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