Data Variability
Authored by Anthony Clark
Mathematics
7th Grade
CCSS covered
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The interquartile range (IQR) measures how far the data is spread from the mean.
true
false
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statistic is more resistant to outliers?
mean
median
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the IQR (Q3 - Q1) of the data
20, 22, 25, 29, 31
30
25
21
9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shows the points earned by contestants in a competition. Find the range and the interquartile range of the points.
Range: 15; IQR: 13
Range: 15; IQR: 12
Range: 15; IQR: 11
Range: 15; IQR: 10
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the interquartile range of the following data: 17, 18, 18, 19, 20, 21, 21, 23, 25
3
8
4
5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the IQR of this data set?
37, 42, 48, 51, 52, 53, 54, 54, 55
5
6
8
9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quartile 1 is the...
Median
Mode
Upper Quartile
Lower Quartile
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