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Stats: Data and Models | 4th Edition | ISBN: 9780321986498 | Authors: Richard D. De Veaux, Paul F. Velleman, David E. Bock
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Eye and hair color A survey of 1021 school-age children

Chapter 4, Problem 32E

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QUESTION:

Problem 32E

Eye and hair color A survey of 1021 school-age children was conducted by randomly selecting children from several large urban elementary schools. Two of the questions concerned eye and hair color. In the survey, the following codes were used:

Hair Color

Eye Color

1=Blond

1=Blue

2=Brown

2=Green

3=Black

3=Brown

4=Red

4=Grey

5=Other

5=Other

The Statistics students analyzing the data were asked to study the relationship between eye and hair color. They produced this plot:

Is their graph appropriate? If so, summarize the findings. If not, explain why not.

Questions & Answers

QUESTION:

Problem 32E

Eye and hair color A survey of 1021 school-age children was conducted by randomly selecting children from several large urban elementary schools. Two of the questions concerned eye and hair color. In the survey, the following codes were used:

Hair Color

Eye Color

1=Blond

1=Blue

2=Brown

2=Green

3=Black

3=Brown

4=Red

4=Grey

5=Other

5=Other

The Statistics students analyzing the data were asked to study the relationship between eye and hair color. They produced this plot:

Is their graph appropriate? If so, summarize the findings. If not, explain why not.

ANSWER:

Problem 32E

Eye and hair color: A survey of 1021 school-age children was conducted by randomly selecting children from several large urban elementary schools. Two of the questions concerned eye and hair color. In the survey, the following codes were used:

Hair Color

Eye Color

1=Blond

1=Blue

2=Brown

2=Green

3=Black

3=Brown

4=Red

4=Grey

5=Other

5=Other

The Statistics students analyzing the data were asked to study the relationship between eye and hair color. They produced this plot:

Is their graph appropriate? If so, summarize the findings. If not, explain why not.

                                                            Step by step solution

Step 1 of 2

No. The hair color and eye color can only take on integer value, while the boxplots can take on any value between 2 and 4.

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