已知样本:5,3,1,3,1,6,8,5,7,2,4,3,7,4,6,7,4,5

发布时间:2020-07-13 10:58:18

已知样本:5,3,1,3,1,6,8,5,7,2,4,3,7,4,6,7,4,5,6,5.那么频率为0.2的范围是.A.0.5~2.5B.2.5~4.5C.4.5~6.5D.6.5~8.5

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D
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