To Determine Whether Four Population Means Are Equal, a Sample

Multiple Choice

To determine whether four population means are equal, a sample from each population was selected at random. Using the Kruskal-Wallis test, H was computed to be 2.09. What is our decision at the 0.05 level of risk?

A) Fail to reject the null hypothesis because 0.05 < 2.09
B) Fail to reject the null hypothesis because 2.09 < 7.815
C) Reject the null hypothesis because 7.815 is > 2.09
D) Reject the null hypothesis because 2.09 > critical value of 1.96