Stats: Modeling the World Nasta Edition Grades 9-12
Stats: Modeling the World Nasta Edition Grades 9-12
3rd Edition
ISBN: 9780131359581
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
Publisher: PEARSON
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Chapter PI, Problem 20RE
To determine

To explain the concept of independence.

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Explanation of Solution

In the question it is given that the National highway traffic safety administration reported that 6.3% of licensed drivers were between the ages of 15 and 20 yet this age group was behind the wheel in 15.9% of all fatal crashes. Thus, these statistics show that 6.3% of licensed driver are between the age of 15 and 20 but 15.9% fall crashes had people from this age group. While the first statistics shows licensed drivers it does nothing to show the amount of time that the age group drives in comparison to other ages so the accident rate is not dependent on the age.

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