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October 2, 2014

October 2, 2014

Posted by **Huffette** on Sunday, November 18, 2012 at 4:51pm.

38 0 47 32 42 31 40 47

35 43 36 17 36 8 1

Find the mean, variance, and standard deviation. Please show all of your work.

- statistics -
**PsyDAG**, Monday, November 19, 2012 at 3:25pmFind 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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