Shown here are the data for y and three predictors, x1, x2, and x3.A stepwise regression procedure has been done on these data; the results are also given. Comment on the outcome of the stepwise analysis in light of thedata.

94 21 97 25 93 22 95 27 90 29 91 20 91 18 94 25 98 26 0 228 99 24 0 242 9028 922:3 96 25 0 219 1204 198 184 200 182 159 147 196 162 180 Step 1 Constant 74.81 82.18 87.89 0.099 0.067 0.071 5.22 P-Value 0.000 0.004 0.001 T-Value 6.90 3.65 T-Value P-Value 2.71 3.71 0.0430.005 2.26 2.32 T-Value P-Value 0.256 3.08 0.013 1.37 1.16 0.850 81.24 87.82 94.07 R-Sq (adj) 79.53 85.38 92.09 R-Sq