A 31-run experiment was conducted with 6 independent predictor variables. The table below gives the
SSres for all possible fitted models in the six variables. Select a "best" model using each of the approaches in a-f stated below. Use α=0.05
a. Backward elimination F-test.
b. Forward selection F-test.
c. Stepwise regression F-test.
d. Backward elimination based on Mallows' Cp
e. Forward selection based on Mallows' Cp
f. Stepwise regression based on Mallows' Cp
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