中位数是25万,意思是有50%的个人(家庭?)收入高于25万,另外50%收入低于25万。所以,中国第一家庭收入属于 bottom 50%.
By the way, it is possible for the mean to be either greater or smaller than the median if the distribution is sufficiently skewed.
中位数是25万,意思是有50%的个人(家庭?)收入高于25万,另外50%收入低于25万。所以,中国第一家庭收入属于 bottom 50%.
By the way, it is possible for the mean to be either greater or smaller than the median if the distribution is sufficiently skewed.
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