A professor ranks the grades of students in each of three sections of a statistics course.He computes H = 6.83 for the Kruskal-Wallis H test to test for differences between the sections.What is the decision for this test?
A)Retain the null hypothesis.
B)Reject the null hypothesis.
C)There is not enough information to answer this question.

Question

Quizplus · Accepted Answer

Since the computed value of Kruskal-Wallis H test is greater than the critical value at the given significance level (assuming it's a two-tailed test), we reject the null hypothesis and conclude that there is a significant difference between the ranks of the three sections.

A Professor Ranks the Grades of Students in Each of Three