Exhibit 20

Multiple Choice

Exhibit 20.5.An accountant wants to know if the property taxes paid by clients that live in the city are different from those that live in the county.The property taxes paid by five clients from the city (1) and five clients from the county (2) are shown below (in dollars) . Refer to Exhibit 20.5.At the 5% significance level,the critical values are:

A) 18 and 37
B) 19 and 36
C) 18 and 36
D) 19 and 37