A firm has a generous but rather complicated policy concerning end-of-year bonuses for its lower-level managerial personnel. The policy's key component is a subjective judgment of "contribution to corporate goals." A personnel officer takes samples of 8 female and 8 male managers to see if there is evidence of any differences in average bonuses, expressed as a percentage of yearly salary. The data are listed here

Female Male

9.2 10.4

7.7 8.9

11.9 11.7

6.2 12.0

9.0 8.7

8.4 9.4

6.9 9.8

7.6 9.0

Descriptive statistics for two-sample test Variable IN Mean StDev Female 8 8.362 1.751 Male 8 9.988 1.273 Descriptive statistics for paired test Variable N Mean StDev Female-Male 8 1.625 1.960