If One Rejects the Null Hypothesis When Using the Kruskal-Wallis

question 22

Multiple Choice

If one rejects the null hypothesis when using the Kruskal-Wallis H test, then:

• A) all the groups differ significantly from one another.
• B) at least one of the groups differs significantly from another, but you do not know which one.
• C) the group ranks are similar.
• D) the largest difference between a ranked pair is at least two times the smallest difference.

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