AnswersAZ-Common Core Algebra II BIntroduction to Modeling with Functions

Representing Data Answers

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1
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Which of the following statements is true?

A
The median is most appropriate because the graph is symmetric.
B
The mean is most appropriate because the graph is symmetric.
C
The median is most appropriate because the graph is skewed.
D
The mean is most appropriate because the graph is skewed.
2
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The first quartile is .

Answer:

95

3

The median of the data is .

Answer:

109

4

The third quartile is .

Answer:

127

5

The maximum of the data is .

Answer:

136

6

Which statement about the data set is true?

A
The mean is greater than the median.
B
The mean is equal to the median.
C
The mean is less than the median.
7

Question text not available

Answers:
Blank 1:81
Blank 2:95
Blank 3:109
Blank 4:127
Blank 5:136
8

Type in the five-number summary for the data shown on the right.

Answers:
Blank 1:81
Blank 2:95
Blank 3:109
Blank 4:127
Blank 5:136
9

What percent of the data lies between 109 minutes and 138 minutes?

A
25%
B
50%
C
75%
D
100%
10

Which statement is true of the graph on the right?

A
The average salary doubled between year 1 and 2.
B
The average salary tripled between year 1 and 3.
C
The average salary increased by the same amount each year.
11

Why is the graph misleading? The horizontal axis does not begin at zero.The vertical axis does not begin at zero.The horizontal scale changes.The vertical scale changes.

A
The horizontal axis does not begin at zero.
B
The vertical axis does not begin at zero.
C
The horizontal scale changes.
D
The vertical scale changes.
12

In which range(s) does 75% of the data lie? Check all of the boxes that apply.

A
81 minutes and 109 minutes
B
81 minutes and 126 minutes
C
95 minutes and 138 minutes
D
109 minutes and 126 minutes

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