Jeremy is studying the relationship between the average number of minutes spent exercising per day and math test scores and has collected the data shown in the table. The line of best fit for the data is y=0.5x+67.0. Minutes 20253035 Test Score 77808185 (a) According to the line of best fit, the predicted test score for someone who spent 18 minutes exercising is 76. (b) Is it reasonable to use this line of best fit to make the above prediction