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Get Full Access to Elementary Statistics - 12 Edition - Chapter 2.4 - Problem 8cqq
Get Full Access to Elementary Statistics - 12 Edition - Chapter 2.4 - Problem 8cqq

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# As a quality control manager at Sony, you find that

ISBN: 9780321836960 18

## Solution for problem 8CQQ Chapter 2.4

Elementary Statistics | 12th Edition

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Problem 8CQQ

Problem 8CQQ

As a quality control manager at Sony, you find that defective CDs have various causes, including worn machinery, human error, bad supplies, and packaging mistreatment. Which of the following graphs would be best for describing the causes of defects: histogram; scatterplot; Pareto chart; dotplot; pie chart?

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Solution 8CQQ

For describing the causes of defective CDs, the best graph is Pareto chart. Because, the Pareto chart is a bar graph for categorical data, by keeping an arrangement in bars descending order according to frequencies from left to right. The vertical scale in a Pareto chart represents frequencies or relative frequencies.

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