If sample variance is computed by dividing SS by df = n - 1,then the average value of the sample variances from all possible random samples will be _______ the population variance.
A)smaller than
B)larger than
C)approximately equal to
D)unrelated to

Question

Quizplus · Accepted Answer

The average value of the sample variances from all possible random samples will be approximately equal to the population variance. This is known as the unbiased estimator property of the sample variance.

If Sample Variance Is Computed by Dividing SS by Df