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IB MAI HL Statistics & Probability Topic 4.1 Descriptive Statistics (id: 4a2b23d

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admin 发表于 2024-2-25 22:29:20 | 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]
The number of weeks spent in a hospital 3l xj-zl 4 ).of)llogrby a sample*xaog9. rz4q o of lung cancer patient during a course of chemotherapy treatment was recorded. The data is illustrated in the box-and-whisker diagram shown rx ogz.ao49*q below.



1. For this data, write down
(1). the maximum number of weeks spent during a course of treatment.    weeks
(2). the upper quartile.    weeks
(3). the median.    weeks

Dr. Buckley interprets this box-and-whisker diagram and claims that the percentage of patients spending less than 13 weeks during a treatment is less than the percentage of those who spend more than 25 weeks.
2. State whether Dr. Buckley's interpretation is correct. Justify your answer.




参考答案:
空格1: 38±2%空格2: 25±2%空格3: 22±2%


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