The variance is:
A) a mean of absolute deviations
B) a mean of positive and negative deviations
C) a mean of squared deviations
D) a mean of positive deviations
E) no mean at all

Question

Quizplus · Accepted Answer

The variance is the average of the squared deviations from the mean. It is calculated by subtracting each value from the mean, squaring the result, and then finding the average of those squared deviations. This gives us a measure of how much the data varies from the mean.

The Variance Is