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September 18, 2014

Homework Help: Stats

Posted by Lindsey on Monday, November 28, 2011 at 9:50pm.

A simple random sample will be obtained from a normally distributed population. Find the minimum sample size needed to be 99% confident that the sample standard deviation s is within 5% of the standard deviation. Is such a sample size practical in most cases?
The minimum sample size needed is...

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