Essay
A career counselor is comparing the annual salary of executives in the manufacturing,finance,and engineering industries.The following table shows the sample size for each industry and the rank sum for the Kruskal-Wallis test. 
a.Specify the competing hypotheses to determine whether differences exist in the median annual salary of the three industries.
b.What is the value of the Kruskal-Wallis test statistic H?
c.At the 5% significance level,what is the decision and conclusion?
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