Tuesday
March 3, 2015

Homework Help: statistic

Posted by natasha on Saturday, December 4, 2010 at 4:48pm.

the mean of adult men is 172 pounds with a standard deviation of 29 pounds. ask 20 men thier weight and use excel to calculate the mean. test the hypothesis that the mean is not 172 pounds at the .10 significance level. and how many men should be sampled if you want to be 98% confident that the mean will be within an error of 3lbs.

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