Pass the SAS Institute Statistical Business Analyst A00-240 Questions and answers with ExamsMirror

PROC GLMSELECT was used for building a model predicting the natural log of a baseball player's salary from certain performance and longevity statistics. The model used backward elimination using SBC as its selection criterion. The sequence of steps is summarized in the graphic shown below:

At Step 9 number of at bats (nAtBat) was removed from the model.

Why was it removed?

Within PROC GLM, the interaction between the two categorical predictors, Income and Gender, was shown to be significant. An item store was saved from the GLM analysis.

Which statement from PROC PLM would test the significance of Gender within each level of Income and adjust for multiple tests?

The Model SS in a multiple linear regression model is equal to:

An analyst has a sufficient volume of data to perform a 3-way partition of the data into training, validation, and test sets to perform honest assessment during the model building process.

What is the purpose of the training data set?

Customers were surveyed to assess their intent to purchase a product. An analyst divided the customers into groups defined by the company's pre-assigned market segments and tested for difference in the customers' average intent to purchase. The following is the output from the GLM procedure:

What percentage of customers' intent to purchase is explained by market segment?

Click the calculator button to display a calculator if needed.

Refer to the REG procedure output:

How many observations are used in the analysis? Enter your numeric answer in the space below.

Consider scoring new observations in the SCORE procedure versus the SCORE statement in the LOGISTIC procedure.

Which statement is true?

There are missing values in the input variables for a regression application.

Which SAS procedure provides a viable solution?

Refer to the exhibit.

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

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).