AnswersPre-Algebra - MA3119 B-CRSummarizing Data Sets with Statistics

Summarizing Data Sets with Statistics Answers

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1
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Mean =

A
13
B
23
C
25
D
33
2
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Median =

A
23.5
B
25.5
C
30.5
D
31
3

Range =

A
21
B
22
C
25
D
31
4

Interquartile range =

A
14
B
17
C
19
D
21
5

Which set shows greater variability?

A
Set A
B
Set B
C
Neither shows variability.
D
Both show the same variability.
6

Annika has a mean that is

A
lower than
B
higher than
C
the same as
7

Which measure provides greater variability for the set you chose?

A
Range
B
Interquartile range
C
Both range and interquartile range
8

Josiah’s median is

A
the same as
B
lower than
C
higher than
9

The range is .

A
the same for both students
B
higher for Annika
C
higher for Josiah
10

Who has the lowest interquartile range?

A
Annika
B
Josiah
C
They had the same interquartile range.

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