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October 25, 2014

Homework Help: Statistics

Posted by Zenna on Monday, December 8, 2008 at 3:29am.

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 standard deviation of 6 hours, what is the required sample size if the error is to be less than hour with a 95% level of confidence?

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