Consider the Following to Answer the Question(s) Below

question 20

Multiple Choice

Consider the following to answer the question(s) below:
Assume that a Kruskal-Wallis test is being conducted to determine whether or not the medians of three populations are equal. The sum of rankings and the sample size for each group are below.
Group 1 Group 2 Group 3
T1 = 60 T2 = 36 T3 = 24
n1 = 6 n2 = 5 n3 = 4
-At α = 0.05

• A) We fail to reject the null hypothesis and conclude the groups come from the same distribution.
• B) We reject the null hypothesis and conclude the groups come from the same distribution.
• C) We reject the null hypothesis.
• D) We fail to reject the null hypothesis.
• E) We reject the null hypothesis and conclude the groups do not come from the same distribution.

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