Question 12:

Of the following models (A-C), select a better model to be used for adjusted R^2

Model C . reg fev Sex Smoke Age Source ISS df MS Number of obs = 654 F( 3, 650) = 337.95 Model 299 . 13534 3 99. 71178 Prob > F = 0. 0000 Residual 191. 784496 650 .295053071 R-squared = 0. 6093 ---7-- ---- -Adj R-squared = 0. 6075 Total 490. 919836 653 . 75179148 Root MSE = . 54319