A sales manager wants to know if the sales productivity of her east region is greater than the sales productivity of her west region. The results of a sample of 12 salespersons from the east region and 16 salespersons from the west region are shown below. Perform the appropriate hypothesis test using alpha = .05. What can you conclude?
East West
65.5 72.1
83.0 52.3
73.2 63.3
83.1 63.3
71.1 79.9
76.8 59.7
69.9 74.8
86.8 78.2
74.9 75.9
70.1 67.9
60.5 78.0
72.3 60.0
63.1
44.8
56.4
65.9