Free Access SAS Institute A00-240 New Release

SAS Statistical Business Analysis SAS9: Regression and Model Questions and Answers

Question 9

The selection criterion used in the forward selection method in the REG procedure is:

Adjusted R-Square

SLE

Mallows' Cp

AIC

Question 10

Which characteristic of Studentized residuals indicate potential outliers?

Only studentized residuals greater than negative two

Only studentized residuals less than negative two and greater than two

Only studentized residuals greater than two

Only studentized residuals less than two and greater than negative two

Question 11

Refer to the confusion matrix:

Calculate the sensitivity. (0 - negative outcome, 1 - positive outcome)

Click the calculator button to display a calculator if needed.

25/48

58/102

25/B9

58/81

Question 12

Refer to the exhibit.

Given alpha=0.02, which conclusion is justified regarding percentage of body fat, comparing small (S), medium (M), and large (L) wrist sizes?

Medium wrist size is significantly different than small wrist size.

Large wrist size is significantly different than medium wrist size.

Large wrist size is significantly different than small wrist size.

There is no significant difference due to wrist size.