Question: A researcher compares differences in spending habits in five groups (k = 5), with different participants observed in each group. The researcher computes a KruskalWallis

A researcher compares differences in spending habits in five groups (k = 5), with different participants observed in each group. The researcher computes a KruskalWallis H test and obtains a test statistic value of H = 10.77. What is the decision for this test at a .05 level of significance?

a. Fail to reject the null hypothesis.

b. Reject the null hypothesis.

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