问题
填空题
已知一组数据-2,-2,3,-2,-x,-1的平均数是-0.5,那么这组数据的众数为( ),中位数是( )。
答案
-2;-1.5
已知一组数据-2,-2,3,-2,-x,-1的平均数是-0.5,那么这组数据的众数为( ),中位数是( )。
-2;-1.5
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