Shown here are the data for y and three predictors, x1, x2, and x3. A stepwise regression
Question:
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.
Transcribed Image Text:
94 21 204 97 25 0 198 93 22 184 95 27 0 200 90 29 182 9 20 159 91 18 147 94 25 0 196 98 26 0 228 99 24 0 242 90 28 162 92 23 180 96 25 0 219 Step Constant 2 74.81 82.18 1 87.89 0.099 0.067 0.071 5.22 P-Value 0.000 0.004 0.001 T-Value 6.90 3.65 -2.262.71 -2.32 T-Valuee p-Value 0.043 0.005 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-Sa
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Of the three predictors x 2 is an indicator variable An ex...View the full answer
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Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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