Wen there are many tied values speculate on whether the

Question

1. When there are many tied values, speculate on whether the Wilcoxon-Mann-Whitney test will have more power than the Kolmogorov-Smirnov test.

2. Two methods for reducing shoulder pain after laparoscopic surgery were compared by Jorgensen et al. (1995). The data were

Compare these groups using the Wilcoxon-Mann-Whitney test using α = .05.