The accompanying MINITAB output results from fitting the
Chapter 0, Problem 14.21(choose chapter or problem)
The accompanying MINITAB output results from fitting the model described in Exercise 14.12 to data. Predictor Coef Stdev t-ratio Constant 86.85 85.39 1.02 X1 0.12297 0.03276 3.75 X2 5.090 1.969 2.58 X3 0.07092 0.01799 3.94 X4 0.0015380 0.0005560 2.77 S = 4.784 R-sq = 90.8% R-sq(adj) = 89.4% Analysis of Variance DF SS MS Regression 4 5896.6 1474.2 Error 26 595.1 22.9 Total 30 6491.7 a. What is the estimated regression equation? b. Using a .01 significance level, perform the model utility test. c. Interpret the values of R2 and se given in the output.
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