To Determine Whether Four Population Means Are Equal,a Sample from Each

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 > 2.09.
D) Reject the null hypothesis because 2.09 > critical value of 1.96.