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December 26, 2014

Homework Help: statistics

Posted by Pat on Monday, March 26, 2012 at 7:56pm.

the dean of admissions in a large university has determined that the scores of the freshman class in a mathematics test are normally distributed with a mean of 86 and a standard deviation of 11. A sample of 50 students is selected at random from the entire freshman class. Based on this information, what is the standard deviation of the sampling distribution of the sample mean?

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