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题目内容
In the distribution of heights in a group of a thousand people, height p is at the 42nd percentile, height r is at the 48th percentile, height s is at the 54th percentile, and height t is at the 60th percentile.
Quantity A
r-p
Quantity B
t-s
D显示答案
以上解析由 考满分老师提供。