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Originally Posted by 10intheCrunch
Ummm, OK I was looking over it again, and...are you sure you got the standard deviations right? There are several SDs that are greater than the mean score, which seems to ring wrong with me (I haven't taken stats but +- 1 SD is about 2/3 of the data, right?). Did you forget to square root on some of them?
Still very impressive.
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I just used Excel's standard deviation function. I did a spot check of about 15 entries, and they looked alright. If you find any specific entries that are wrong, let me know.