The confidence interval for the population standard deviation s is centered at the point estimate,the sample standard deviation s.

Question

Quizplus · Accepted Answer

The confidence interval for the population standard deviation s is not centered at the sample standard deviation s. Rather, the lower and upper bounds are calculated using the sample size, degrees of freedom, and critical values from the t-distribution or the chi-square distribution, depending on the situation. The point estimate for the population standard deviation is actually the sample standard deviation itself.

The Confidence Interval for the Population Standard Deviation S Is