Question

The following table is the PDF for a discrete random variable X. x P(X=x) 2 0.19...

The following table is the PDF for a discrete random variable X.

x P(X=x)
2 0.19
7 0.64
10 0.17

What is the skewness of X and the kurtosis of X?

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Homework Answers

Answer #1

Skewness is calculated by dividing the third moment by the cube of the random variable's standard deviation.

Hence, Skewness =

Kurtosis is given by dividing the fourth moment by the fourth power of standard deviation:

Hence, Kurtosis =

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