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March 29, 2015

Homework Help: statistics

Posted by Anonymous on Sunday, July 22, 2012 at 5:09pm.

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. Assuming a population standard deviation of 6 hours, what is the required sample size if the error should be less than hour with a 95% level of confidence?

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