A00-240 Online Practice Questions and Answers

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Refer to the confusion matrix:

An analyst determines that loan defaults occur at the rate of 3% in the overall population. The above confusion matrix is from an oversampled test set (1 = default).

What is the sensitivity adjusted for the population event probability?

Enter your answer in the space below. Round to three decimals (example: n.nnn).

Refer to the exhibit.

Based on the control plot, which conclusion is justified regarding the means of the response?

A. All groups are significantly different from each other.

B. 2XL is significantly different from all other groups.

C. Only XL and 2XL are not significantly different from each other.

D. No groups are significantly different from each other.

Refer to the exhibit:

The box plot was used to analyze daily sales data following three different ad campaigns. The business analyst concludes that one of the assumptions of ANOVA was violated.

Which assumption has been violated and why?

A. Normality, because Prob > F < .0001.

B. Normality, because the interquartile ranges are different in different ad campaigns.

C. Constant variance, because Prob > F < .0001.

D. Constant variance, because the interquartile ranges are different in different ad campaigns.

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?

A. Medium wrist size is significantly different than small wrist size.

B. Large wrist size is significantly different than medium wrist size.

C. Large wrist size is significantly different than small wrist size.

D. There is no significant difference due to wrist size.

Refer to the REG procedure output:

The Intercept estimate is interpreted as:

A. The predicted value of the response when all the predictors are at their current values.

B. The predicted value of the response when all predictors are at their means.

C. The predicted value of the response when all predictors = 0.

D. The predicted value of the response when all predictors are at their minimum values.

Which SAS program will detect collinearity in a multiple regression application?

A. Option A

B. Option B

C. Option C

D. Option D

Which statistic, calculated from a validation sample, can help decide which model to use for prediction of a binary target variable?

A. Adjusted R Square

B. Mallow's Cp

C. Chi Square

D. Average Squared Error

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

A. RSQ

B. MSE

C. R-squared

D. AIC

Refer to the exhibit: Which SAS program produced the graph?

A.

B.

C.

D.

After performing an ANOVA test, an analyst has determined that a significant effect exists due to income. The analyst wants to compare each Income to all others and wants to control for experimentwise error. Which GLM procedure statement would provide the most appropriate output?

A. lsmeans Income / pdiff=control adjust=dunnett;

B. lsmeans Income / pdiff=control adjust=t;

C. lsmeans Income / pdiff=all adjust=tukey;

D. lsmeans Income / pdiff=all adjust=t;