The following data is looking at how long it takes to get to work. Let x = commuting distance (miles) and y = commuting time (minutes) x 15 16 17 18 19 20 y 42 35 45 42 49 46 a) Give a scatterplot of this data and comment on the direction, form and strength of this relationship. b) Determine the least-squares estimate equation for this data set. c) Give the coefficient of determination, R2 , comment on what that means. d) Give the residual plot based on the least-squares estimate equation. e) Test if this least-squares estimate equation specify a useful relationship between commuting distance and commuting time.