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. Manufacturing Finance Engineering Sample Size 5 6 5 Sum of Ranks 64 53 19 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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.