Business and Management One indication of morale in county government positions is the length of service in the current position. Independent random samples of county employees were obtained, and the length of service (in years) was recorded for each person, by job classification.
a. Assume the underlying distributions are continuous. Use the Kruskal-Wallis test with a = 0.05 to show that there is evidence to suggest that at least two populations are different.
b. Which pair(s) of populations do you think is (are) different? Why?