To determine whether four population means are equal, - 6379

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To determine whether four population means are equal, a sample from each population was selected at random and using the Kruskal-Wallis test, H was computed to be 2.11. What is your decision at the 0.05 level of risk?

A.   Reject the null hypothesis because 2.11 > critical value of 1.96

B.   Reject the null hypothesis because 7.815 is > 2.11 

C.   Fail to reject the null hypothesis because 0.05 < 2.11 

D.   Fail to reject the null hypothesis because 2.11 < 7.815

Solution Description

To determine whether four population means are equal, a sample from each population was selected at random and using the Kruskal-Wallis test, H was computed to be 2.1