AnswersHCISD-Mathematical Models with Applications B-CR SUMMERRange and Interquartile Range

Range and Interquartile Range Answers

19 verified answers
1
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What steps should be used to find the range of a set of data?

A
Put the values in order, then locate the value that is far away from every other value.
B
Subtract the maximum and minimum values.
C
Add all of the values together, then divide the sum by the number of values.
D
Add the two middle values together, then divide the sum by two.
2
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Which measures are not impacted by outliers in a significant way? Select all that apply.

A
Mean
B
Range
C
Interquartile range
D
Median
E
Quartiles
3

Maximum number of homework hours: 1458

A
1
B
4
C
5
D
8
4

Minimum number of homework hours: 0245

A
0
B
2
C
4
D
5
5

Range of homework hours for this survey: 1345

A
1
B
3
C
4
D
5
15

Set 1: 48, 47, 34, 37, 11, 39Range = 916376367

A
9
B
16
C
37
D
63
E
67
16

Set 2: 42, 47, 44, 40, 41, 49, 48, 45, 43 Range = 916376367

A
9
B
16
C
37
D
63
E
67
17

Set 3: 85, 98, 31, 96, 49, 77, 82Range = 916376367

A
9
B
16
C
37
D
63
E
67
18

Set 4: 112, 114, 116, 175, 115, 134, 117Range = 916376367

A
9
B
16
C
37
D
63
E
67
31

Lower quartile = 1225.53943

A
12
B
25.5
C
39
D
43
32

Upper quartile = 436287 58.5

A
43
B
62
C
87
D
58.5
37

Set 1: 21, 5, 14, 10, 8, 17, 2 Interquartile range = 10111213

A
10
B
11
C
12
D
13
38

Set 2: 27, 26, 31, 23, 28, 32, 26 Interquartile range = 57810

A
5
B
7
C
8
D
10
39

Which interquartile range describes its data as being clustered closer to the set’s median? Set 1Set 2Both sets are the sameNeither set

A
Set 1
B
Set 2
C
Both sets are the same
D
Neither set
43

Median = 3.5567.5

A
3.5
B
5
C
6
D
7.5
44

Lower quartile = 3.5467.5

A
3.5
B
4
C
6
D
7.5
45

Upper quartile = 3.5567.5

A
3.5
B
5
C
6
D
7.5
46

Interquartile range = 3.5467.5

A
3.5
B
4
C
6
D
7.5
63

Which statements are true? Select all that apply.

A
The outlier impacts the interquartile range but not the range.
B
Without the outlier, the range would be 5 miles per hour.
C
The range of speeds is 33 miles per hour.
D
The outlier impacts the range more than it impacts the interquartile range.
E
Without the outlier, the interquartile range would be 3 miles per hour.
F
The interquartile range is 2 miles per hour.

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