When calculated on the same distribution of scores, the unbiased estimator of the standard deviation will be _____$\sigma$.
A) greater than
B) less than
C) the same as
D) either greater than or the same as

Question

Quizplus · Accepted Answer

The unbiased estimator of the standard deviation, which uses $n-1$ in the denominator (Bessel's correction), is typically greater than the population standard deviation $\sigma$ when calculated from a sample.

When Calculated on the Same Distribution of Scores, the Unbiased σ\sigmaσ

When Calculated on the Same Distribution of Scores, the Unbiased $\sigma$