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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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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.

User Haseeb Mohamed
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To calculate the z-score for 33, plug the numbers in: z = (33 - 40)/9 = -7/9 = -.78
User Carlos Beppler
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