An NBA Executive Says That Players Who Substitute as the Sixth

Multiple Choice

An NBA executive says that players who substitute as the sixth, seventh and eighth positions for the games starting five players have a median playing time of 24 minutes. A random sample of 25 substitutes (6, 7 or 8) produces 20 non-zero differences in a Wilcoxon signed rank test and a W (R+) equal to 146. The alternate hypothesis is m 24 minutes. Assume the population is symmetrically distributed. The computed test statistic in this situation equals:

A) 146.
B) 24.
C) 25.
D) 1.53.
E) 41.