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May 4, 2015

Homework Help: Statistics

Posted by Robin on Sunday, September 5, 2010 at 4:44pm.

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 3 hours, what is the required sample size if the error should be less than hour with a 99% level of confidence?

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