Question 260587
A positive z score is the number of standard deviation an observation is above the mean. 
- Write out in words what it means to get a z score of 2
The number whose z-score is 2 is two standard deviations above the mean
of the data set.
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- Write out what it means to get a z score of 3.5
The number whose z-score is 3.5 is three and one-half standard deviations
above the mean of the data set.
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Cheers,
Stan H.