Introduction To Statistics And Data Analysis
6th Edition
ISBN: 9781337793612
Author: PECK, Roxy.
Publisher: Cengage Learning,
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Textbook Question
Chapter 4.3, Problem 36E
Data on the gasoline tax per gallon (in cents) in 2015 for the 50 U.S. states and the District of Columbia are shown below (eia.gov/tools/faqs/faq.cfm?id=10&t=10, retrieved September 1, 2016).
- a. The smallest value in the data set is 9.0 (Alaska) and the largest value is 51.4 (Pennsylvania). Are these values outliers? Explain. (Hint: See Example 4.11.)
- b. Construct a boxplot of the data set and comment on the interesting features of the plot.
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Introduction To Statistics And Data Analysis
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