Exhibit 20

Multiple Choice

Exhibit 20.8.A sports agent wants to understand the differences in the annual earnings of players in different sports.The below table shows the annual earnings (in million dollars) of 52 athletes.For the Kruskal-Wallis test,the rank sums for each group are at the bottom of the table. Refer to Exhibit 20.8.Using the critical value approach,the appropriate conclusion is:

A) Reject the null hypothesis,the annual earnings are not the same
B) Reject the null hypothesis,not all median annual earnings are the same
C) Reject the null hypothesis,all median annual earnings are the same
D) Reject the null hypothesis,cannot conclude all median annual earnings are not the same