1 . 共享单车入住泉州一周年以来,因其“绿色出行,低碳环保”的理念而备受人们的喜爱,值此周年之际,某机构为了了解共享单车使用者的年龄段,使用频率、满意度等三个方面的信息,在全市范围内发放
份调查问卷,回收到有效问卷
份,现从中随机抽取
份,分别对使用者的年龄段、
~
岁使用者的使用频率、
~
岁使用者的满意度进行汇总,得到如下三个表格:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/fa211754-f38b-41bc-89e4-08b505712d6d.png?resizew=376)
(1)依据上述表格完成下列三个统计图形:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/1291ea54-802e-424c-9879-8399935929bd.png?resizew=333)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/c20520b6-ce6e-4a19-b9b2-7341cf56ea42.png?resizew=331)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/e28132e9-cead-4f44-b2ea-9dcc8297d071.png?resizew=331)
(2)某城区现有常住人口
万,请用样本估计总体的思想,试估计年龄在
岁~
岁之间,每月使用共享单车在
~
次的人数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4b31ff8c25710c8c0d3480f5c18d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2785eeb77c6fa05c72c94e8f4cdca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f959e5f8d89390f0f136f6acc9f6fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c696d722e1b4b938c7a956ff83f733bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba505969331b28f0e2d3047d49988914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c696d722e1b4b938c7a956ff83f733bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba505969331b28f0e2d3047d49988914.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/fa211754-f38b-41bc-89e4-08b505712d6d.png?resizew=376)
(1)依据上述表格完成下列三个统计图形:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/1291ea54-802e-424c-9879-8399935929bd.png?resizew=333)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/c20520b6-ce6e-4a19-b9b2-7341cf56ea42.png?resizew=331)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/e28132e9-cead-4f44-b2ea-9dcc8297d071.png?resizew=331)
(2)某城区现有常住人口
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c696d722e1b4b938c7a956ff83f733bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba505969331b28f0e2d3047d49988914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180ea775f2af05650404d764384e7faa.png)
.
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