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May 30, 2015

Homework Help: statistics

Posted by phiney on Saturday, December 15, 2012 at 1:14pm.

a large study involving over 20000 individuals shows that the mean percentage intake of kilocalories from fat was 39% with a range from 6%- 72%. a small sample study was conductd to determine if the mean intake of patiens was different from 39%. a sample of 15 patients had a mean intake of 40.8% with a standard deviation equal to 6.5% assume the sample is normally distributed. what evidence do we have that the assumption of normality is reasonable

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