Two methods for reducing shoulder pain after laparoscopic surgery were compared by Jorgensen et al. (1995). The data were
Group 1:
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
4
|
1
|
1
|
Group 2:
|
3
|
3
|
4
|
3
|
1
|
2
|
3
|
1
|
1
|
5
|
4
|
|
|
|
Verify that both the Wilcoxon-Mann-Whitney test and Cliff's method reject at the 0.05 level. Although the Kolmogorov-Smirnov test rejects with α = 0.05, why might you suspect that the Kolmogorov-Smirnov test will have relatively low power in this particular situation?