3. [5 marks] The objective of this exercise is to investigate the relationship between one categorical variable and one quantitative variable [this is an example ofa bivariate analvsis}. In particular, we want to compare the distributions of students' age for those who said 'ves' to drinking coffee with students' age for those students who said 'no' to drinking coffee. a] [2 marks] Obtain sidebvside box and whisker plots of age for drinking coffee. b} [4 marks] Use the graphical displav in part a to compare the distributions of age for the two groups of drinking coffee. Make sure vou comment and compare shape, center, spread and outliers {ifanv!} between the two boxplots