中位数是指将统计总体当中的各个变量值按大小顺序排列起来,形成一个数列,处于变量数列中间位置的变量值就称为中位数.
平均数是表示一组数据集中趋势的量数,它是反映数据集中趋势的一项指标.
举例：1、2、6
平均数：（1+2+6）/3=3
中位数：2
答案也不一样,况且意义也不同
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