A工厂年前加紧手套生产,设该工厂连续5天生产的手套数依次为
(单位:万只),若这组数据
的方差为
,且
的平均数为4,则该工厂这5天平均每天生产手套___________ 万只.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195f9cb9c1ca84756dd98afdc784ead9.png)
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21-22高二上·云南曲靖·期末 查看更多[3]
云南省曲靖一中麒麟学校2021-2022学年高二上学期期末摸底考试数学试题9.2.4总体离散程度的估计练习(已下线)专题11统计 (6个知识点10种题型)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(沪教版2020必修第三册)
更新时间:2023-12-11 08:07:50
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【推荐1】如图是某学校一名篮球运动员在五场比赛中所得分数的茎叶图,则该运动
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【推荐2】已知一组数据
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