Question: A set of data items is normally distributed with a mean of 80 and a standard deviation of 9 . Convert 77 to a z-score.

A set of data items is normally distributed with a mean of 80 and a standard deviation of 9 . Convert 77 to a z-score.

z 77 = ____

(Do not round until the final answer. Then round to the nearest hundredth as needed.)

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