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Old March 10, 2010, 12:25 PM   #5
zippy13
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Join Date: August 23, 2008
Location: SoCal
Posts: 6,442
We studied standard deviations in a university statistics course, and never used it again -- if you're not a statistician, don't worry about it. Here's a site with a great explanation (I like the animated graphic) link.
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