Suppose the Kruskal-Wallis Test Was Used to Compare Four Groups

question 16

Multiple Choice

Suppose the Kruskal-Wallis test was used to compare four groups. If the test statistic value was found to be 9.545, using α = 0.05 we should

• A) reject the null hypothesis
• B) not reject the null hypothesis
• C) conclude that the groups are all the same
• D) reject the null hypothesis and conclude that the groups are not all the same
• E) not reject the null hypothesis and conclude that the groups are all the same

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