(ii)What is the "best" subset of IVs in terms of Mallows criterion? Justify

your answer.

Stepwise Selection Summary Effect Effect Number Model Adjusted Step | Entered Removed Effects In R-Square R-Square CP PRESS F Value Pr > F |Intercept 1 0.0000 ).0000 123.6320 416.5503 0.00 1.0000 1 infectionrisk 0.2846 0.2781 58.8646 305.3564 44.15 <.0001 averagedailycensus on numnurses chestxrayratio age numbeds optimal value of criterion selection stopped because the candidate for entry has sle> 0.05 and the candidate for removal has SLS |t Intercept 1.007080 1.624666 0.62 0.5367 age 0.082391 0.028251 2.92 0.0043 infectionrisk 0.437763 0.115541 3.79 0.0003 chestxravratio 0.021592 0.007340 2.94 0.0040 numbeds 0.009361 0.003550 -2.64 0.0096 averagedailycensus 0.020992 0.004278 4.91 <.0001 numnurses>