题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124635-74842.png)
A.84 | B.85 | C.86 | D.87.5 |
答案
解析
试题分析:这些数据分别从小到大依次为
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124636-13829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124636-13829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124636-47608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124636-29775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124636-54319.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124637-52657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124637-52657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124637-33049.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124637-59897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124637-33661.png)
核心考点
试题【2013年央视汉字听写大会节目中,8个评委为某选手打出的分数如茎叶图所示,则这些数据的中位数是( )A.84B.85 C.86D.87.5】;主要考察你对用样本的频率分布估计总体分布等知识点的理解。[详细]
举一反三
分数 | 5 | 4 | 3 | 2 | 1 |
人数 | 5 | 15 | 20 | 5 | 5 |
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124617-64619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124617-57309.jpg)
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![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124604-14991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124603-79705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124603-79705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124604-64712.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124604-64712.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124604-23753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124605-90954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124605-75772.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124603-79705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124605-92716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124605-96522.jpg)
(1)在这
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124605-92716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124603-79705.png)
(2)从这
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124605-92716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124606-81085.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124606-49101.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124603-79705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124606-49101.png)
(3)以这
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124605-92716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124603-79705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124606-46276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124559-95941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124559-63188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124546-65696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124546-65696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124546-54191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124547-48725.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124547-44862.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124547-40615.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124547-83309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124548-72445.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124548-66724.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124548-62498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124549-79187.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124549-10586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124549-79187.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124546-65696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124546-54191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124547-44862.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124549-77110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124547-48725.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124549-12827.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124550-96512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124550-10259.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124550-86818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124549-79187.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124551-22503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124548-62498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124551-95422.png)
(Ⅰ)请把两队身高数据记录在如图所示的茎叶图中,并指出哪个队的身高数据方差较小(无需计算);
(Ⅱ)现从两队所有身高超过
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124551-22503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026124546-54191.png)
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