=+10.82 According to the article “Workaholism in Organizations: Gender Differences” (Sex Roles [1999]: 333–346), the following data were reported on 1996 income for random samples of male and female MBA graduates from a certain Canadian business school:

N s Males 258 $133,442 $131,090 Females 233 $105,156 $98,525 Note: These salary figures are in Canadian dollars.