X1 X2 30 12 94 47 10 109 25 17 113 51 17 178 40 6 95 51 19 176 74 7 171 37 12 118 60 13 143 77 211 Round your answers to three decimal places. a. Compute R2. b. Compute Raz. c. Does the estimated regression equation explain a large amount of the variability in the data? Yes