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Matt2334
11-22-2009, 09:01 AM
no matter what I do, or how much I read the text book. I just can't take it anymore!!! :(

Assume that body temperatures of healthy adults are normally distributed with a mean of 98.2 F and a standard deviation of 0.62 F. Calculate the standard deviation of the sampling distribution of X bar for a sample size of 15.

A.) 0.041 B.) 0.160 C.) 0.203 D.) 0.62

wjm11
11-22-2009, 05:13 PM
...or how much I read the text book...

http://davidmlane.com/hyperstat/A13660.html

I suggest you reread the chapter. Seriously. :-)