The Sample Variance S2 Is an Unbiased Estimator of the Population

Short Answer

The sample variance s2 is an unbiased estimator of the population variance 2 when the denominator of s2 is: $\begin{array}{|l|l|}\hline\text { A. } & n \\\hline \text { B. } & n-1 \\\hline \text { C. } & \sqrt{n} \\\hline \text { D. } & n+1 \\\hline\end{array}$