The managers in a company’s East and West regions were rated on the basis of the company’s evaluation system. A researcher wishes to conduct a t-test of means to determine if there is a difference between the East and West regions. Perform this calculation.
Region Manager Rating Region Manager Rating
West 1 74 East 1 81
West 2 88 East 2 63
West 3 78 East 3 56
West 4 85 East 4 68
West 5 100 East 5 80
West 6 114 East 6 79
West 7 98 East 7 69