名校
1 . 现有银川二中高一年级某班甲、乙两名学生自进入高中以来的历次数学成绩(单位:分),具体考试成绩如下:
甲:
、
、
、
、
、
、
、
、
、
、
、
、
;
乙:
、
、
、
、
、
、
、
、
、
、
、
、
.
(1)请你画出两人数学成绩的茎叶图;
(2)根据茎叶图,运用统计知识对两人的成绩进行比较.(最少写出两条统计结论)
甲:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce87642d4f11148b5d8e65018431b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18ea011a4bce91e9f27c828b05b34eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86608326541db75771f5de9db6187e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d314c287aa376240f0ca41bd181f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a83b0895127ee97d27b3d89a4403dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/796e3e32d29652fb3ed9984c414aec35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e31b3a49e142e4b55e664c29100ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f64730802070a68d4f854b332a24814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a5350d42c3d9982d27c59d7e9eb673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef0a9f421547e737ec464d29b314403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0538cad6b26c7238b90e664bb68c27c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128de649220637bdc96fc3e508592201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7073684723741238b95b3b9d3b5301.png)
乙:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b765e032d24c1557ff29cb6f70be0a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7070546e4014f28fb2eaed777ec1dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4c1474b253f01cb4766a9e742b9dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9ba3f640f57c0cece089dfd19b4970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef0a9f421547e737ec464d29b314403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e58ed6bdddbf22c0e8fa173adec76d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c804623afb11ea99366d6a50043ccb78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dfc625923e6fcb604f2b48aaf8445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c804623afb11ea99366d6a50043ccb78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fb81794638a35d2f23857637f520f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/861cfd94db12874ce5764dc3b3199d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97b325f43a8d0975cb2fb0c59a36b2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a83b0895127ee97d27b3d89a4403dc.png)
(1)请你画出两人数学成绩的茎叶图;
(2)根据茎叶图,运用统计知识对两人的成绩进行比较.(最少写出两条统计结论)
您最近一年使用:0次