IB MAI HL Statistics & Probability Topic 4.1 Descriptive Statistics (id: ee8621197)

本题目来源于试卷: IB MAI HL Statistics & Probability Topic 4.1 Descriptive Statistics，类别为 IB数学

[填空题]
The following cumulative fr v 5zv3,mued*aequency diagram showslamox;a6(c jbo.- +fj the distance students need to travel to get to sfoam;a- 6l+b(jcox. jchool.



1. Find the median distance a student travels to school.   
2. Find the number of students that travel between 2 $\mathrm{~km}$ and 4 $\mathrm{~km}$ to get to school.   
3. Find the percentage of students that travel more than 4.5 $\mathrm{~km}$ to get to school.    %

参考答案:
空格1: 3±2%  空格2: 100±2%  空格3: 12.5±2% 


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