题目来源
题目来源1 : GRE数学经典1685题
正确率：81%
难度：3
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Eight hundred insects were weighed, and the resulting measurements, in milligrams, are summarized in the boxplot below.
(a) What are the range, the three quartiles, and the interquartile range of the measurements?
(b) If the 80th percentile of the measurements is 130 milligrams, about how many measurements are between 126 milligrams and 130 milligrams?
D显示答案
以上解析由 考满分老师提供。
