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April 21, 2014

Homework Help: Statistics

Posted by Zodra on Monday, August 23, 2010 at 6:18pm.

In a study to estimate a population mean, i start with a sample size 10 and calculate the 95% confidence interval. Suppose i am not satisfied with the size of the confidence interval and want to reduce it by half. Give an estimate of sample size that i need.

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