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从甲、乙两品种的棉花中各抽测了25根棉花的纤维长度(单位:mm),结果如下: 由...
从甲、乙两品种的棉花中各抽测了25根棉花的纤维长度(单位:mm),结果如下:
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214106531586070/SYS201310232141065315860015_ST/images0.png)
由以上数据设计了如茎叶图
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214106531586070/SYS201310232141065315860015_ST/images1.png)
根据以上茎叶图,对甲、乙两品种棉花的纤维长度作比较,写出两个统计结论:
①
;
②
.
考点分析:
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