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OpenStudy (anonymous):
Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a standard deviation of 1.5. What is the z-score of a size of 12? 1.33 1 0.67 0.33
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jimthompson5910 (jim_thompson5910):
Formula z = (x-mu)/sigma where, z = z score x = raw score mu = mean sigma = standard deviation
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