Consider the Following to Answer the Question(s) Below

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
-What is the critical value for α = 0.05?

A) 5.9915
B) 0.1026
C) 7.3778
D) 7.8147
E) 9.34884