Statistics basics
Quiz
•
Mathematics
•
7th - 10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the RANGE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the MEDIAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the class size of the class 15 - 30?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the relative frequency of having an IQ score in the 131-140 range. (200 7th graders were surveyed).
8%
4%
20%
15.5%
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many 7th graders had an IQ score in the 81-90 range?
13
6.5
3
42
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
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