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在一次学生田径运动会上。参加男子跳高的15名运动员的成绩如下表所示： 成绩（m） 1.50 1.60 1.65 1.70 1.75 1.80 人数 1 2 4 3 3 2 这些运动员跳高成绩的中位数和众数是 （A）1.65，1.70 （B）1.70，1.70 （C）1.70，1.65（D）3，4
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