Answered: Gasoline prices reached record high…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Gasoline prices reached record high levels in 16 states during 2003 (The Wall Street Journal, March 7, 2003). Two of the affected states were California and Florida. The American Automobile Association reported a sample mean price of $2.04 per gallon in California and a sample mean price of $1.72 per gallon in Florida. Use a sample size of 40 for the California data and a sample size of 35 for the Florida data. Assume that prior studies indicate a population standard deviation of .10 in California and .08 in Florida are reasonable. Is there a significant difference between the population mean prices per gallon in California and florida? test at 0.05 level of significance

Find the following:

Computed Value:

Tabular Value:

Conclusion:

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