Frustation by Academic Major
frustration
'data.frame': 140 obs. of 6 variables: $ Business : int 11 6 6 4 6 9 8 3 11 12 ... $ English : int 11 9 14 13 9 12 10 12 9 11 ... $ Mathematics : int 9 16 11 11 12 17 12 14 10 12 ... $ Psychology : int 11 19 13 10 14 10 13 14 15 17 ... $ Frustration.Score: int 11 6 6 4 6 9 8 3 11 12 ... $ Major : Factor w/ 4 levels "Business","English",..: 1 1 1 1 1 1 1 1 1 1 ...
https://oli.cmu.edu/jcourse/workbook/activity/page?context=434b8ad280020ca60166a71faa2caf60
boxplot(Frustration.Score ~ Major, data = frustration)