A set of data has a mean of 12 and a standard deviation of 3 A data point of the set has a z -score of 1 point 3 What does a z -score of 1 point 3 mean?

A z-score tells how many standard deviations a data point is from the mean. A z-score of 1.3 means the point is 1.3 standard deviations above the mean of 12. Therefore, the correct choice is “The data point is 1 point 3 standard deviations away from 12.”

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