体脂率,又称体脂百分数,指的是人体内脂肪重量在总体重中所占的比例,反映了人体内脂肪含量的多少.某校高一年级有718名学生,通过简单随机抽样,获得了8个同学的体脂率:
,
,
,
,
,
,
,
,则这组数据的
分位数为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0890e49ea881e800d2bae34072296e01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4737c87dde15cc5dfaa8f404e5b15ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a99cda8d5479bf7dcad4ada2b0b411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a068cbdd59401e32af430a0b082f062d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99b3cdbc81f920d9722fa6bd06775a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97961e6955deeff19042f1f1d39f94c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8b78182e4a5c3501586c6ea019bff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a99cda8d5479bf7dcad4ada2b0b411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21639f972cb2fe416a89cd06c91def04.png)
A.19 | B.![]() | C.![]() | D.20 |
更新时间:2024-05-22 06:57:01
|
【知识点】 总体百分位数的估计
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