The Kruskal-Wallis Test Is to Be Used to Determine Whether

Multiple Choice

The Kruskal-Wallis test is to be used to determine whether there is a significant difference in the satisfaction rating (alpha = 0.05) between three brands of boxed cake mix.Shoppers were asked to rate their satisfaction on various attributes and an aggregate satisfaction score ranging from 1-50 was computed.The following data were obtained: $$\begin{array} { c c c c c c } \text { Cake Mix A } & 19 & 21 & 25 & 22 & 33 \\\text { Cake Mix B } & 30 & 24 & 28 & 31 & 35 \\\text { Cake Mix C } & 39 & 32 & 41 & 42 & 27\end{array}$$ For this situation, the critical (table) chi-square value is _______.

A) 15.507
B) 7.815
C) 9.488
D) 5.991
E) 3.991