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WorksheetsMeasures of Variability 22
Total questions: 16
Worksheet time: 8mins
What is the range?
6
2 - 8
3
4
What is the interquartile range?
12
27
15
18
What is the range?
10
12
15
2 - 12
In order to find the median, the data must be sorted from least to greatest first.
True
False
Find the median for the following prices;
$12.50, $15.50, $15, $17.50, $11.50
$12.50
$15
$17.50
$11.50
Find the IQR (Q3 - Q1) of the data
20, 22, 25, 29, 31
30
25
21
9
What is the range of speeds tested?
0.5 mph
0.3 mph
1.5 mph
1.3 mph
What is the range of miniature golf scores?
44
23
29
39
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
Calculate the range of the following data: 17, 18, 18, 19, 20, 21, 21, 23, 25
3
8
4
5
Calculate the interquartile range of the following data: 17, 18, 18, 19, 20, 21, 21, 23, 25
3
8
4
5
11. Find the Median of the following numbers:
84, 88, 72, 74, 98, 16, 94
16
98
84
There is no median
What is the IQR of this data set?
37, 42, 48, 51, 52, 53, 54, 54, 55
5
6
8
9
How do you find the range of a set of numbers?
Subtract the largest number from the smallest number
It is the number that occurs most often
Add all the numbers and divide by how many numbers there are
Subtract the smallest number from the largest number
IQR stands for...
interquestion rainbow
inside quick radiation
interquartile range
I quit running
The interquartile range (IQR) is a measure of variability that splits the data into _______ equal sized quartiles.
One
Two
Three
Four
