题目详情

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

正确答案及解析

正确答案
D
解析
暂无解析

包含此试题的试卷

你可能感兴趣的试题

单选题

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

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
查看答案
单选题

My aunt wanted to take a taxi so that she ________ get to the airport on time.

  • A.can
  • B.could
  • C.must
  • D.would
查看答案
单选题

image.png


  • A.(6,1)
  • B.(3,7)
  • C.(-6,-1)
  • D.(2,-1)
查看答案
单选题

He ______ sleep,although he tried to. One cup of coffee in the late afternoon caused him tostay awake almost all night.

  • A.wouldn't
  • B.shouldn't
  • C.couldn't
  • D.mustn't
查看答案
单选题

—What a lovely present!Who sent it? __________it be your brother?   

—It __________be my brother. He doesn't know today is my birthday.

  • A.Can; can't
  • B.Can; mustn't
  • C.Must; mustn't
  • D.Must; can't
查看答案

相关题库更多 +