SAS A00-240 Quiz 1 Topic 8 Questions 1-5

Question: 1

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:

q1_A00-240

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

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A<0.01%

B35%

C65%

D76%

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Question: 2

Spearman statistics in the CORR procedure are useful for screening for irrelevant variables by investigating the association between which function of the input variables?

AConcordant and discordant pairs of ranked observations

BLogit link (log (p/1-p))

CRank-ordered values of the variables

DWeighted sum of chi-square statistics for 2x2 tables

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Question: 3

Select the equivalent LOGISTIC procedure model statements. (Choose two.)

AMode1 Purchase * Gender Age Region;

BMode1 Purchase * Gender | Age | Region;

CMode1 Purchase * Gender|Age|Region @1;

DMode1 Purchase * Gender|Age|Region @2;

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Question: 4

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

Which statement is true?

AThe SCORE statement in the LOGISTIC procedure returns only predicted probabilities, whereas the SCORE procedure returns only predicted logits.

BThe SCORE statement in the LOGISTIC procedure returns only predicted logits, whereas the SCORE procedure returns only predicted probabilities.

CUnlike the SCORE procedure, the SCORE statement in the LOGISTIC procedure produces both predicted probabilities and predicted logits.

DThe SCORE procedure and the SCORE statement in the LOGISTIC procedure produce the same output.

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Question: 5

Refer to the lift chart:

q5_A00-240

What does the reference line at lift = 1 corresponds to?

AThe predicted lift for the best 50% of validation data cases

BThe predicted lift if the entire population is scored as event cases

CThe predicted lift if none of the population are scored as event cases

DThe predicted lift if 50% of the population are randomly scored as event cases

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SAS A00-240 Quiz:1 Topic:8 Questions:1-5