Exhibit 10-6 The Management of a Department Store Is Interested in Estimating

Multiple Choice

Exhibit 10-6
The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card. You are given the following information.
-Refer to Exhibit 10-6. A point estimate for the difference between the mean purchases of the users of the two credit cards is

A) 2
B) 18
C) 265
D) 15