Asked by Kathryn
Calculate the residuals using the following info: number of people:12,14,15,18,20,16,14,13,18,19,20,22 and
cost of drinks:24,30,36,38,65,44,36,30,39,76,80,85
cost of drinks:24,30,36,38,65,44,36,30,39,76,80,85