Question: A stepwise regression procedure was used to analyze a set of 20 observations taken on four predictor variables to predict a dependent variable. The results

A stepwise regression procedure was used to analyze a set of 20 observations taken on four predictor variables to predict a dependent variable. The results of this procedure are given next. Discuss the results.

STEPWISE REGRESSION OF Y ON 4 PREDIcTORS, WITH N = 20 STEP 1 2 CONSTANT 152.2 124.5 X1 -50.6 -43.4 T-RATIO 7.42 6.13 X2 1.36 T-RATIO 2.13 S 15.2 13.9 R-SQ 75.39 80.59

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