Perform a Kruskal-Wallis test using the critical-value approach.
-Listed below are grade averages for randomly selected students with three different categories of high-school background. At the 0.05 significance level, do the data provide sufficient evidence to conclude that a difference exists in the three population means?

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The Answer of Perform a Kruskal-Wallis test using the critical-value approach.
-Listed below are grade averages for randomly selected students with three different categories of high-school background. At the 0.05 significance level, do the data provide sufficient evidence to conclude that a difference exists in the three population means?

Perform a Kruskal-Wallis Test Using the Critical-Value Approach