The management of a department store is interested to estimate the difference in the amount of money spent by female and male shoppers.You are given the following information. A 95 percent confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is:
A)49 to 64
B)11.68 to 18.32
C)125 to 140
D)8 to 10

Question

The management of a department store is interested to estimate the difference in the amount of money spent by female and male shoppers.You are given the following information.  A 95 percent confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is:
A)49 to 64 
B)11.68 to 18.32 
C)125 to 140 
D)8 to 10

Quizplus · Accepted Answer

The given information states that the confidence interval estimate is for the difference between the average purchases of customers using two different credit cards. However, this information does not correspond to the difference in the amount of money spent by male and female shoppers. Therefore, none of the given options can be selected.

The Management of a Department Store Is Interested to Estimate