172·142·138·140·139·145·135·141中位数是
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![172·142·138·140·139·145·135·141中位数是](/uploads/image/z/18804-12-4.jpg?t=172%C2%B7142%C2%B7138%C2%B7140%C2%B7139%C2%B7145%C2%B7135%C2%B7141%E4%B8%AD%E4%BD%8D%E6%95%B0%E6%98%AF)
172·142·138·140·139·145·135·141中位数是
172·142·138·140·139·145·135·141中位数是
172·142·138·140·139·145·135·141中位数是
一共8个数字
中位数取从小到大第四五个的平均数
(140+141)/2=140.5
110,135,138,139,142,148,172, 172,135,142,110,139,138,148这组数中的中位数是(139 )。
139
172·142·138·140·139·145·135·141中位数是
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