skykopystecky4962 skykopystecky4962 19-01-2018 Mathematics contestada How many standard deviations above the mean is the cutoff for outliers? (i'm asking for a z-score.) use the q3 + 1.5(iqr) rule. for your convenience, the z-score for the 75th percentile is approximately 0.675. give your answer to 3 decimal places?