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Statistics / Elementary Statistics: A Step By Step Approach 9 / Chapter 2.3 / Problem 12E

Elementary Statistics: A Step By Step Approach | 9th Edition | ISBN: 9780073534985 | Authors: Allan Bluman

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Colors of Automobiles The popular vehicle car colors are

Chapter 2, Problem 12E

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QUESTION:

Problem 12E

Colors of Automobiles The popular vehicle car colors are shown. Construct a pie graph for the data.

White	19 %
Silver	18
Black	16
Red	13
Blue	12
Gray	12
Other	10

Source: Dupont Automotive Color Popularity Report

Questions & Answers

QUESTION:

Problem 12E

Colors of Automobiles The popular vehicle car colors are shown. Construct a pie graph for the data.

White	19 %
Silver	18
Black	16
Red	13
Blue	12
Gray	12
Other	10

Source: Dupont Automotive Color Popularity Report

ANSWER:

Problem 12E

Colors of Automobiles The popular vehicle car colors are shown. Construct a pie graph for the data.

White	19 %
Silver	18
Black	16
Red	13
Blue	12
Gray	12
Other	10

Source: Dupont Automotive Color Popularity Report

Step by Step Solution

Step 1 of 2

Pie graphs are used extensively in statistics. The purpose of the pie graph is to show the relationship of the parts to the whole by visually comparing the sizes of the sections. Percentages or proportions can be used. The variable is nominal or categorical

Since there are 360 degrees in a circle, the percentage for each class must be converted to a proportional part of the circle. This conversion is done by using the formula.

Hence we can obtain the proportion for each color,

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