选择题:某校七年级1班50名同学在“森林草原防灭火”知识竞赛中的成绩如表所示:成绩60708090100人数3913169则这个班学生成绩的众数、中位数分别是( )

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题目内容:

某校七年级1班50名同学在“森林草原防灭火”知识竞赛中的成绩如表所示:

成绩

60

70

80

90

100

人数

3

9

13

16

9

则这个班学生成绩的众数、中位数分别是( )


A.90,80

B.16,85

C.16,24.5

D.90,85

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