AnswersFoundations of Math 1Range and Interquartile Range

Range and Interquartile Range — Quiz Answers

10 verified answers
1
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What are the steps to find the lower and upper quartiles of a data set?

A
1. Order the values. 2. Find the lower quartile. 3. Find the upper quartile. 4. Find the median.
B
1. Order the values. 2. Find the lower quartile. 3. Find the upper quartile.
C
1. Find the median. 2. Find the lower quartile. 3. Find the upper quartile.
D
1. Order the values. 2. Find the median. 3. Find the lower quartile. 4. Find the upper quartile.
2
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Which method can be used to find the interquartile range for a set of data?

A
Find the difference between the maximum and minimum values.
B
Find the sum of the maximum and minimum values.
C
Find the difference between the upper and lower quartiles.
D
Find the median of the upper half of an ordered data set.
3

What is the range for this set of data? 38, 17, 55, 40

A
72
B
39
C
38
D
2
4

Harlon recorded this set of data, which contains an outlier. 163, 97, 184, 199, 169, 175 What is the range of this set of data?

A
172
B
102
C
97
D
12
5

Use the data set to determine which statements are correct. Choose five correct answers. 35 , 41 , 18 , 75 , 36 , 21 , 62 , 29 , 154 , 70

A
The lower quartile is 18 .
B
The lower quartile is 29 .
C
There is an outlier.
D
The upper quartile is 29 .
E
The median is 36 .
F
The interquartile range is 41 .
G
The upper quartile is 70 .
H
The median is 38 point 5 .
6

Which method can be used to find the range of a set of data?

A
Find the difference between the maximum and minimum values.
B
Find the median of the upper half of an ordered data set.
C
Find the difference between the upper and lower quartiles.
D
Find the sum of the maximum and minimum values.
7

Use the data set to determine which statements are correct. Choose four correct answers. 115, 120, 118, 104, 109, 148, 135, 141, 139

A
The lower quartile is 112.
B
The lower quartile is 118.
C
The upper quartile is 140.
D
There is an outlier.
E
The median is 120.
F
The median is 109.
G
The interquartile range is 28.
H
The upper quartile is 141.
8

Which describes how to calculate the range of this data set? 4 , 5 , 6 , 8 , 11 , 12

A
Subtract 11 minus 5 .
B
Subtract 12 minus 4 .
C
Add 12 plus 4 .
D
Add 11 plus 5 .
9

What is the interquartile range of this set of data? 15, 19, 20, 25, 31, 38, 41

A
26
B
19
C
13
D
6
10

Pren recorded this data set, which contains an outlier. 204 , 216 , 111 , 224 , 230 , 211 , 210 , 198 , 200 , 218 What numbers represent the range, lower quartile, and upper quartiles?

A
range: 119 lower quartile: 218 upper quartile: 200
B
range: 14 lower quartile: 111 upper quartile: 198
C
range: 210 point 5 lower quartile: 200 upper quartile: 218
D
range: 119 lower quartile: 200 upper quartile: 218

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