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题目内容
Among a group of 120 people in total, the range is 120. Yet, among 90 people inside the group, the range of is 90.
Quantity A
The range of the rest 30 people among them
Quantity B
30
D显示答案
· 相关考点
5.2.8 标准差
5.2.8 标准差
以上解析由 考满分老师提供。