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 11 metropolitan areas across the upper Midwest region.T Metropolitan Area She BP Marathon Akron, Ohio Cincinnati, Ohio Cleveland, Ohio Columbus, Ohio Ft. Wayne, Indiana Indianapolis, India 3.85 3.84 Lansing, Michigan Lexington, Kentucky 3.79 3.78 Louisville, Kentucky 3.78 3.84 Muncie, Indiana Toledo, Ohio 3.77 3.83 3.72 3.8:3 3.87 3.85 3.76 3.77 3.83 3.84 3.78 3.87 3.89 3.79 3.87 3.87 3.99 3.79 3.93 4.04 3.79 3.81 3.84 3.83 3.69 3.83 3.86 Use 0.05 to test for any significant difference in the mean price of gasoline for the three brands State the null and alternative hypotheses Ho: klShell # BP # Marathon На: LiShell-uBP- Marathon O H: Not all the population means are equal a. Shell-MBP- "Marathon O H: At least two of the population means are equal Ha: At least two of the population means are different. P-Prarathon Ha: Not all the population means are equal O Ho: Hshell BpMarathon Ha : l'shell # BP # Maratho

Answer 1