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31 May, 22:02

A set of data items is normally distributed with a mean of 40 and a standard deviation of 7. Convert 33 to a z-score.

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  1. 31 May, 23:12
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    To calculate the z-score for 33, plug the numbers in: z = (33 - 40) / 9 = - 7/9 = -.78
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