Exhibit 10-13 in Order to Determine Whether or Not There Is a Is

Multiple Choice

Exhibit 10-13
In order to determine whether or not there is a significant difference between the hourly wages of two companies, the following data have been accumulated.
-Refer to Exhibit 10-13. The point estimate of the difference between the means is

A) 20
B) 0.8
C) 0.50
D) -20