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.To determine if whether the medians of the taxes paid differ using the Wilcoxon rank-sum test,the competing hypotheses are:

A)
B)
C)
D)