Which of the following describes variance?
A) It is the difference between the maximum value and the minimum value in the data set.
B) It is the difference between the first and third quartiles of a data set.
C) It is the average of the squared deviations of the observations from the mean.
D) It is the average of the greatest and least values in the data set.

Question

Quizplus · Accepted Answer

Variance is calculated by taking the average of the squared differences from the Mean. This measures how spread out the numbers in a data set are.

Which of the Following Describes Variance