1.x>=4
2.如果只有一个x的话无解
数学统计学(第一章)
数学统计学(第一章)
1.求数据x的值或范围
(1)已知一组数据3,1,2,x,4,9的中位数是3.5.
(2)已知一组数据3,1,2,x,4,9的中位数是2.25.
1.求数据x的值或范围
(1)已知一组数据3,1,2,x,4,9的中位数是3.5.
(2)已知一组数据3,1,2,x,4,9的中位数是2.25.
数学人气:620 ℃时间:2020-05-08 01:33:57
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