Answer Happy

1. A company employing a new sales-plus-commission compensation plan for its sales personnel wants to compare the annual salary expectations of its female and male sales personnel under the new plan. A random sample of 25 female and 25 male representatives were asked to forecast their annual incomes under the new plan. Summary of the data is as follows: Mean St Dev. Sample Size Female 3.11 2.31 25 Male 2.97 2.56 25 (a) Can you conclude that mean expected annual income is different for female and male sales representatives? Use a = 0.05. (b) Find also the p-value.