数据处理(单元八) Y5

数据处理(单元八) Y5

6th - 8th Grade

8 Qs

quiz-placeholder

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数据处理(单元八) Y5

数据处理(单元八) Y5

Assessment

Quiz

Mathematics

6th - 8th Grade

Practice Problem

Hard

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪组数据的极差是 25?

45 ,85 ,63 ,27 ,98

52 ,38 ,78 ,65 ,12

65 ,60 ,40 ,45 ,55

75 ,32 ,28 ,64 ,85

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

53 ,27 ,16 ,38 ,41

这组数据的中位数时什么?

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

8.51 ,6.21 ,6.51 ,8.31,K,7.31

这组数据的众数是 6.51。 K的值时多少?

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

这组数据的中位数时什么?

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

4 个数目的平均数是 125,加入第 5 个数目后,其平均数是 120。第 5 个数目是什么?

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

36 ,18 ,9 ,21 ,36 ,53 ,23

哪项是正确的?

众数: 21

极差: 43

平均数: 27

中位数: 23

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

29 ,36 ,82 ,91 ,41,S

这组数据的极差是 75。哪项最有可能是 S?

16

18

20

22

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