The sample variance $s ^ { 2 }$ is an unbiased estimator of the population variance $\sigma ^ { 2 }$ when the denominator of $s ^ { 2 }$ is n - 1.

Name: The sample variance $s ^ { 2 }$ is an unbiased estimator of the population variance $\sigma ^ { 2 }$ when the denominator of $s ^ { 2 }$ is n - 1.
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Quizplus · Accepted Answer

The sample variance $s^2$ is unbiased when dividing by $n-1$ because it corrects for the bias in estimating the population variance from a sample.

The Sample Variance s2s ^ { 2 }s2 Is an Unbiased Estimator of the Population Variance

The Sample Variance $s ^ { 2 }$ Is an Unbiased Estimator of the Population Variance