Elementary Statistics
Elementary Statistics
12th Edition
ISBN: 9780321836960
Author: Mario F. Triola
Publisher: PEARSON
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Chapter 12.2, Problem 7BSC

Highway Fuel Consumption Data Set 14 in Appendix B lists highway fuel consumption amounts (mi/gal) tor cars categorized by size (small, midsize, large). If we use those high-way fuel consumption amounts arranged into the three separate size categories, we get the TI-83/84 Plus calculator results shown below. Using a 0.05 significance level, test the claim that the three size categories have the same mean highway fuel consumption. Does the size of a car appear to affect highway fuel consumption?

Chapter 12.2, Problem 7BSC, Highway Fuel Consumption Data Set 14 in Appendix B lists highway fuel consumption amounts (mi/gal)

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