2) Create a new data set which does not contain the "Type" variable. Find the best regression model for this new data set. [Hint Now we can use PROC REG] If you are interested, you can add the option 'SELECTION': MODEL Mleage = Weight Disp FueHSELECTION = backward; f*forward, stepwise\" 3) Preform model checking procedures for the regression model you created in Part 2. For parts 1-3 make sure you have clear titles for the output and labels for the variables