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April 23, 2014

April 23, 2014

Posted by **kate** on Sunday, May 15, 2011 at 7:47pm.

37 33 35 27 9 45 22 8

42 48 37 39 9 15 12

Find the mean, variance, and standard deviation

- statistics -
**PsyDAG**, Monday, May 16, 2011 at 12:30pmFind the mean first = sum of scores/number of scores

Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.

Standard deviation = square root of variance

I'll let you do the calculations.

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