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January 28, 2015

January 28, 2015

Posted by **joane** on Wednesday, October 24, 2012 at 10:11pm.

diabetic patients in a clinic.

18, 28, 31, 14, 25, 21, 22, 28, 35, 29, 27, 22.

What is the z score of the person with the lowest and highest body mass index?

- statistics! -
**PsyDAG**, Thursday, October 25, 2012 at 12:56pmZ = (score-mean)/SD

Find 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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