When Estimating the Variance of a Population from the Sample,the

Multiple Choice

When estimating the variance of a population from the sample,the sample variance cannot be used directly because

A) it is based on using absolute deviations.
B) it is based on using squared deviations.
C) it tends to be slightly too large-it overestimates the population variance.
D) it tends to be slightly too small-it underestimates the population variance.