A Study Is Being Conducted to Compare Characteristics of Women

Multiple Choice

A study is being conducted to compare characteristics of women in senior executive positions and men in senior executive positions at major US corporations.A sample of four senior executive men and four senior executive women is selected.The table below shows the number of years of management experience before promotion to a senior executive position for each of the two samples. You will use a t-test assuming equal population variances (standard deviations) to test the null hypothesis that the average time before promotion in the populations represented here is the same for men and women.The significance level is .05.Report the t-score (t_stat) for the test.

A) 2.407
B) .920
C) 3.115
D) 1.633