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【简答题】
为了了解某地区高三学生的身体发育情况，抽查了该地区100名年龄为17.5岁~18岁的男生体重(kg),得到频率分布直方图如下： 根据上图可得这100名学生中体重在 的学生人数是 .
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B.
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C.
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D.
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E.
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F.
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G.
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