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September 21, 2014

September 21, 2014

Posted by **mary- please check calculations.** on Saturday, October 23, 2010 at 5:32pm.

x 1 2 3

p(x) 0.2 0.6 0.2

*i think that the mean is 2 but am lost after that when it comes to the standard deviation. please show work and calculations. the more i work with numbers the more confused i get. thank you.

mary hornbeck

- statistics/mean and standard deviation -
**Dick**, Friday, November 26, 2010 at 12:36pmidk

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