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September 21, 2014

Homework Help: statistics

Posted by kimberly on Thursday, September 13, 2012 at 3:51pm.

IQ scores are normally distributed with a mean of 105 and a standard deviation of 18. Assume that many samples of size n are taken form a large population of people and the mean IQ score is computed for each sample. If the sample size is n=64, find the mean and standard deviation of the distribution of sample means.

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