1. Using SAS to solve question A and provide the SAS Code. An ER specialist designed a study to assess the effectiveness of a drug in reducing lower right quadrant pain in patients with kidney stones and other causes of pain. Data are shown in Table below. Patient Number Drug Stone Pain Change (mm) Patient Number Drug Stone Pain Change (mm) (0=n, 1=y) (0=n, 1=y) (0=n, 1=y) (0=n, 1=y) 1 0 0 8 15 1 0 -9 2 0 0 16 16 1 0 -7 3 0 0 16 17 1 0 3 4 0 0 20 18 1 0 4 5 0 0 22 19 1 0 17 6 0 0 28 20 1 0 19 7 0 0 35 21 1 0 20 8 0 1 -5 22 1 1 -3 9 0 1 -3 23 1 1 -2 10 0 1 -3 24 1 1 0 11 0 1 -2 25 1 1 3 12 0 1 1 26 1 1 17 13 0 1 5 27 1 1 26 14 0 1 6 28 1 1 30 A. Conduct a tw0-way ANOVA with interaction and interpret the results