作者uuhambur (威尔柏 )
看板GMAT
标题[计量] GWD 2-3
时间Fri Sep 28 14:36:09 2007
Is the standard deviation of the salaries of Company Y’s employees greater
than the standard deviation of the salaries of Company Z’s employees?
(1) The average (arithmetic mean) salary of Company Y’s employees is
greater than the average salary of Company Z’s employees.
(2) The median salary of Company Y’s employees is greater than the
median salary of Company Z’s employees.
关於这题有关standard deviation,average, median 的关系比较,有没有更清楚的想法
,感谢!!
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