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IB MAI HL Statistics & Probability Topic 4.1 Descriptive Statistics (id: 59be4ff

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admin 发表于 2024-2-25 22:31:12 | 显示全部楼层 |阅读模式
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]
An analyst working at the Shanghai shipping rb,+ i7viu)tr 3*y2 sbrescfn5uv h;f-49qtl por l.3 rb,my3.lecmn: bwt conducts a study on the port wait times of shipping containers for a particular month. The analyst creates a box-andm e r :3.c,bwln3m.byl-whisker diagram to represent the time, in hours, containers spend in the port. The diagram is shown below.


1. Using the box-and-whisker diagram, write down
1. the minimum number of hours a container spent in the port.    hours
2. the lower quartile.    hours
3. the upper quartile.    hours

Using the box-and-whisker diagram, the analyst claims that the percentage of containers spending more than 23 hours in port is higher than the percentage of containers spending less than 23 hours in port.
2. State whether the analyst is correct. Justify your answer.




参考答案:
空格1: 14±2%空格2: 20±2%空格3: 32±2%


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