Reference no: EM132409555

According to the sixth annual survey of employees of advertising agencies, carried out by the company Altschuler, Melvoin & Glasser, these employees can wait another excellent year for their compensation (Adveertising Age, December 1, 1997). To investigate if there is any difference in the annual compensation of artistic directors, suppose that a random sample of 10 of them is selected from each of four regions: West, South, North and Northeast, and that you want to conduct the research with a 10 % margin of error. Perform the analysis required for the study.

The base salary (in thousands of dollars) for each individual:

West South North Northeast

60.9 50.8 49.5 65.9

45.9 39.6 42.3 58.6

62.1 44.2 35.5 49.3

66.6 40.0 49.1 52.9

68.0 53.9 56.7 48.5

65.0 45.4 41.4 52.9

49.4 61.1 51.3 52.4

62.3 42.3 49.4 48.1

62.6 38.4 42.1 46.5

57.2 38.3 55.7 45.9