A measure of the average value of a random variable is called a(n)
A) variance.
B) standard deviation.
C) expected value.
D) coefficient of variation.

Question

Quizplus · Accepted Answer

The expected value is the average value of a random variable. Variance and standard deviation measure the spread or variability of a distribution, while the coefficient of variation is a measure of relative variability.

A Measure of the Average Value of a Random Variable