以下是引用seanbb在2007-8-1 14:09:00的发言:唯一觉得奇怪的是由于海外学生的平均薪水达到540889所以把大陆学生的平均薪水从309748拉高到总体的平均薪水337485. 但是大陆学生的中位数300000, 加入国际学生的高薪水后, 变化非常小, 只上了3600块, 达到303600. 有点想不通 It is possible. It means a lot of people concentrated around the mean or median, and outliers do not affect the middle range much. Interesting to know, what are the Q1 and Q3, in addition to min and max (range). In fact, middle range is more meaningful for a lot of applicants?
[此贴子已经被作者于2007-9-30 14:12:09编辑过] |