In which of the following situations would it be useful to test for differences between two groups?
A)A retailer wishes to know if customer satisfaction is different between in-store vs.online shoppers.
B)A beverage company wants to know if a new beverage concept differs between users vs.nonusers of the current brand.
C)A department store wishes to know the differences between online catalogs vs.mail order catalog shoppers.
D)A state university wants to know is there is a significant difference in GPA between undergradu-ate and graduate students.
E)All of these situations would benefit from tests for differences between two groups.

Question

Quizplus · Accepted Answer

All of these situations involve comparing two groups and would benefit from tests for differences between them. A and C involve comparing different types of shoppers, B involves comparing users vs. nonusers of a product, and D involves comparing undergraduate and graduate students. Therefore, all of these situations would benefit from tests for differences between two groups.

In Which of the Following Situations Would It Be Useful