Answer: When the sample standard deviation S is based on a
Chapter 6, Problem 6.37(choose chapter or problem)
When the sample standard deviation S is based on a random sample from a normal population distribution, it can be shown that E(S) 2/(n1)(n/2)/((n 1)/2) Use this to obtain an unbiased estimator for of the form cS. What is c when n 20? 38. E
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