several research workers associated with the Office of Highway Safety were evaluating the relationship between driving speed (MPH) and the distance a vehicle travels once brakes are applied (DIST). The results of 19 experimental tests are displayed in the following table

• Use SAS to draw scatter plots between Y1 (Dist) and X, Y2 SQRTDIST and X.
• Use SAS to determine the least-square estimates of the slope and intercept for each of the following straight-line regressions: Y1(Dist) on X (Y1 is response and X is predictor), and Y2 on X (Y2 is response and X is predictor). Write down the formula for the estimated regression lines. Draw (you can draw manually) the estimated lines on the appropriate scatter diagrams.
• Which of the two variable pairs mentioned in part 1) seems to be better suited for straight-line regression?
• Please provide SAS code

MPH     DIST    SQRTDIST25      37.4    6.1235      57.7    7.660      337.6   18.3745      142.5   11.9450      182.4   13.5137.5    67.5    8.2230      37.5    6.1255      225     1560      258.1   16.0765      297.4   17.2550      170     13.0420      20      4.4715      13.5    3.6727.5    40.8    6.3955      207.8   14.4240      105     10.2545      132.6   11.5217.5    19.1    4.3722.5    25      5