16. The figures below show the relationship between salary and personal lunch expenses on weekdays for a group of businessmen. Comment on the difference in graphs and in the coefficient of determination between the graph that includes a data point of someone who reported earnings of $21,000 per year and weekly personal lunch expenses of $100 per week (second graph) and the graph that did not include this data point (first graph). r= =78.4% r2 =8.2% 8 8 8 lunch expenses lunch expenses 70 it 60