In terms of estimating the population variance,what is one disadvantage for dividing SS by df to calculate sample variance?
A)It is an unbiased estimator.
B)It does not have minimum variance.
C)It underestimates the population variance on average.
D)None;there are no disadvantages for dividing SS by df to calculate sample variance.

Question

Quizplus · Accepted Answer

Dividing SS by df (degrees of freedom) to calculate sample variance is unbiased, but it does not have minimum variance, meaning it is not the most efficient estimator.

In Terms of Estimating the Population Variance,what Is One Disadvantage