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September 2, 2014

September 2, 2014

Posted by **ce** on Thursday, April 16, 2009 at 2:32pm.

- stats -
**PsyDAG**, Friday, April 17, 2009 at 2:25pmYou need more data to find the standard deviation, but the mean attendance would be 50 - .1(50).

I searched Google under the key words "*standard deviation*" to get these possible sources:

http://en.wikipedia.org/wiki/Standard_deviation

http://www.robertniles.com/stats/stdev.shtml

http://davidmlane.com/hyperstat/A16252.html

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

I hope this helps. Thanks for asking.

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