In this data set, what effect does the outlier have on the mean and the median? assa 22, 18, 15, 19, 61, 21, a it increases the mean by 1 and the median by 7. b it increases the mean by 12 and the median by 3. c it increases the mean by 3 and the median by 12. d it increases the mean by 7 and the median by 1