Solutions Statistics

The annual salaries of workers from the states of Alabama, Colorado, Georgia, and Iowa are being rev

Question: The annual salaries of workers from the states of Alabama, Colorado, Georgia, and Iowa are being reviewed. The annual salaries of randomly selected workers are shown in the table, with salaries given in thousands of dollars. Use the Kruskal-Wallis Test (guidelines on page 620 in our textbook) and a = 0.10 to test the claim that the distribution of the annual salaries in these four states is different.

Alabama	Colorado	Georgia	Iowa
30.8	34.5	42	28.5
33.8	29.3	32.7	25.4
26.1	20.3	47.8	28.4
33.9	38.3	47.4	39.2
28.4	35	30.4	42.6
19.4	36.4	39.8	27.6
32.3	32.9	44.1	31.2
31.7	45	40.8	26