Homework answers / question archive / A negative value of Z indicates that   the number of standard deviations of an observation is to the right of the mean   the number of standard deviations of an observation is to the left of the mean   a mistake has been made in computations, since Z cannot be negative   the data has a negative mean  

A negative value of Z indicates that   the number of standard deviations of an observation is to the right of the mean   the number of standard deviations of an observation is to the left of the mean   a mistake has been made in computations, since Z cannot be negative   the data has a negative mean  

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A negative value of Z indicates that