SASInstitute SAS Certified Statistical Business Analyst Using SAS 9: Regression and Modeling Credential - A00-240 Exam Practice Test
Which statistic is based on the maximum vertical distance between the primary event EDF and the secondary event EDF?
Correct Answer: B
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Screening for non-linearity in binary logistic regression can be achieved by visualizing:
Correct Answer: D
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Refer to the ROC curve:
As you move along the curve, what changes?
As you move along the curve, what changes?
Correct Answer: D
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While building a predictive model, median imputations are performed while preparing the training data.
How should the imputations be addressed in the validation data?
How should the imputations be addressed in the validation data?
Correct Answer: D
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A marketing analyst assessed the effect of web page design (A, B, or C) on customers' intent to purchase an expensive product. The focus group was divided randomly into three sub-groups, each of which was asked to view one of the web pages and then give their intent to purchase on a scale from 0 to 100. The analyst also asked the customers to give their income, which was coded as: I (lowest), II (medium), or III (highest). After analyzing the data, the analyst claimed that there was significant interaction and the webpage design mainly influenced high income people.
Which graph supports the analyst's conclusion?
A)
B)
C)
D)
Which graph supports the analyst's conclusion?
A)
B)
C)
D)
Correct Answer: B
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Refer to the exhibit:
Which SAS program produced the graph?
Which SAS program produced the graph?
Correct Answer: A
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An analyst knows that the categorical predictor, zip_code, is an important predictor of a binary target.
However, zip_code has too many levels to be a feasible predictor in a model. The analyst uses PROC CLUSTER to implement Greenacre's method to reduce the number of categorical levels.
What is the correct application of Greenacre's method in this situation?
However, zip_code has too many levels to be a feasible predictor in a model. The analyst uses PROC CLUSTER to implement Greenacre's method to reduce the number of categorical levels.
What is the correct application of Greenacre's method in this situation?
Correct Answer: C
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Refer to the exhibit:
Based upon the comparative ROC plot for two competing models, which is the champion model and why?
Based upon the comparative ROC plot for two competing models, which is the champion model and why?
Correct Answer: A
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Consider scoring new observations in the SCORE procedure versus the SCORE statement in the LOGISTIC procedure.
Which statement is true?
Which statement is true?
Correct Answer: C
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Drag the adjustment formulas for oversamping from the left and place them into the correct location in the confusion matrix shown on the right.
Correct Answer:
