The variance of the sample
A) cannot be negative.
B) cannot be positive.
C) cannot be zero.
D) cannot be less than one.

Question

Quizplus · Accepted Answer

The variance of a sample is a measure of the spread of the data from the sample mean. It is calculated by taking the sum of squared deviations from the mean and dividing by the sample size minus one. Since squared values are always positive, the variance cannot be negative.

The Variance of the Sample