The price drivers pay for gasoline often varies a great deal across regions thro

Question

The price drivers pay for gasoline often varies a great deal across regions throughout the United States. The following data show the price per gallon for regular gasoline for a random sample of gasoline service stations for three major brands of gasoline (Shell, BP, and Marathon) located in eleven metropolitan areas across the upper Midwest region (OhioGasPrices.com website, March 18, 2012) Click on the datafile logo to reference the data DATA file Shell Metropolitan Area Akron, Ohio Cincinnati, Ohio Cleveland, Ohio Columbus, Ohio Ft. Wayne, Indiana Indianapolis, Indiana Lansing, Michigan Lexington, Kentucky Louisville, Kentucky Muncie, Indiana Toledo, Ohio BP Marathorn 3.78 3.87 3.89 3.79 3.77 3.72 3.87 3.76 3.83 3.85 3.93 3.79 3.78 3.81 3.69 3.83 3.83 3.85 3.77 3.84 3.84 4.04 3.78 3.84 3.84 3.83 3.87 3.99 3.79 3.79 3.86 3.86 Use -.05 to test for any significant difference in the mean price of gasoline for the three brands. Round SS to 6 decimals, MS to 6 decimals, F to 2 decimals and p to 3 decimals, if necessary Source Metropolitan Area Brand Error Total MS ·010801 007918 .001302 DF 108006 ( .015836 026030 149873 10 8.30 0 6.08 009 20 32 The p-value is less than.05 What is your conclusion? Conclude that there is a significant difference in the mean price per galon

Explanation / Answer

This is correct answer ...

. . . . . . . . . . . . . . . .

SS 0.075636

MS 0.023645

F 5.07

P=0.03

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