Z = (score-mean)/SD
Insert the values to calculate Z.
1) one indicator of a outlier is that an observation is more than 2.5 standard deviations from the mean. Consider the data value 80.
(a) if a data set has mean 70 and standard deviation 5, is 80 a suspect outlier? be sure to work that explains your answer
(b) if a data set ha mean 70 and standard deviation 3, is 80 a suspect outlier? be sure to explain the answer
1 answer