An NHL Executive Says That Players Who Incur Penalty Time

Multiple Choice

An NHL executive says that players who incur penalty time during a game have a median time of 1.2 minutes in the penalty box. A random sample of 28 hockey players with penalty time produced 24 non-zero differences when a Wilcoxon signed rank test was used. The W (R+) equaled 156.5. The alternate hypothesis is m 1.2 minutes. Assume the population is symmetrically distributed. The computed test statistic in this instance equals:

A) 156.5.
B) 0.186.
C) 6.5.
D) 35.
E) 143.5.