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April 23, 2014

April 23, 2014

Posted by **denise** on Monday, September 19, 2011 at 7:40pm.

assume that the population of heights of male college students is normally distibuted with a mean of 69.09 and standard deviation of 4.71. A random sample of 92 heights is obtained. find the mean and standard error of the x distribution.

find P(x>68.5)

- statistics -
**PsyDAG**, Tuesday, September 20, 2011 at 2:42amSEm = SD/√n

Best guess at the mean is the population mean.

Z = (score-mean)/SEm

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (P) related to the Z score.

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