Question: A set of data items is normally distributed with a mean of 60. Convert the data item to a z-score, if the standard deviation is

A set of data items is normally distributed with a mean of 60. Convert the data item to a z-score, if the standard deviation is as given. data item: 56; standard deviation: 4 - - OA -1 OB. 4 O c. -4 OD. 1

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