An unbiased estimator for ? can be found by dividing the mean of the ranges, $\overline { \mathrm { R } }$ by an appropriate constant.

Name: An unbiased estimator for ? can be found by dividing the mean of the ranges, $\overline { \mathrm { R } }$ by an appropriate constant.
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Question

Quizplus · Accepted Answer

The mean of the ranges divided by an appropriate constant can serve as an unbiased estimator for the population standard deviation in statistical quality control, specifically in the context of control charts.

An Unbiased Estimator for ? Can Be Found by Dividing R‾\overline { \mathrm { R } }R

An Unbiased Estimator for ? Can Be Found by Dividing $\overline { \mathrm { R } }$