Salary information regarding two independent random samples of male and female employees of a large company is shown below.   Male Female Sample size 64 99 Sample mean salary (in $1000s) 440 410 Population variance 888 999   If you are interested in testing whether the average salary of males is significantly greater than that of females, the value of the test statistic is _____.单项选择题

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

更多留学生实用工具

加入我们,立即解锁 海量真题独家解析,让复习快人一步!