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.

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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