Pick an article that uses Mann Whitney AND one that uses Wilcoxon for data analysis. The important thing is that the articles are from an investigation where one of the tests was used and not one that explains the steps of the methods.

Answer the following for each of the articles:

1) Title

2) Summarize the article in four sentences

3) Null and alternative hypothesis

4) Variables and parameters

5) Is the use of the test justified or should they have used another test?

6) Conclusion (was Ha accepted?) Explain.