问题
选择题
下列几个常见统计量中能够反映一组数据波动范围的是[ ]
A.平均数
B.中位数
C.极差
D.众数
答案
答案：C
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下列几个常见统计量中能够反映一组数据波动范围的是[ ]
A.平均数
B.中位数
C.极差
D.众数
答案：C
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