Which of the following is a weighted average of the squared deviations from the expected value?
A)skewness
B)mean difference
C)kurtosis
D)variance

Question

Quizplus · Accepted Answer

The definition of variance is a weighted average of the squared deviations from the expected value. Therefore, option D is the correct answer. Skewness, mean difference, and kurtosis do not involve the calculation of squared deviations from the expected value.

Which of the Following Is a Weighted Average of the Squared