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A00-240 – SAS Statistical Business Analysis Using SAS 9: Regression and Modeling

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Showing 7–9 of 10 questions

Question 7

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?

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    Option A
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    Option B
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    Option C
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    Option D
Question 8

Customers were surveyed to assess their intent to purchase a product. An analyst divided the customers into groups defined by the company's preassigned 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?

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    <0.01%
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    35%
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    65%
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    76%
Question 9

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

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    Concordant and discordant pairs of ranked observations
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    Logit link (log (p/1-p))
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    Rank-ordered values of the variables
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    Weighted sum of chi-square statistics for 2x2 tables