
数据处理(单元八) Y5
Quiz
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
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8 questions
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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
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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