Exhibit 10-7 In Order to Estimate the Difference Between the Average Hourly

Multiple Choice

Exhibit 10-7
In order to estimate the difference between the average hourly wages of employees of two branches of a department store, the following data have been gathered.
-Refer to Exhibit 10-7. A 95% interval estimate for the difference between the two population means is

A) 0.078 to 1.922
B) 1.922 to 2.078
C) 1.09 to 4.078
D) 1.078 to 2.922