One of the Assumptions of the Mann-Whitney U Test Is

Multiple Choice

One of the assumptions of the Mann-Whitney U test is that there are no ties.If there are ties in the data set:

A) do not use the Mann-Whitney U test.
B) use the Mann-Whitney U test if there are just a few ties as it is robust to violations of this assumption.
C) use the Mann-Whitney U test anyway, even if you have lots of ties in your data since it is robust to this assumption.
D) use the Kruskal-Wallis H test instead.