The U.S. Energy Administration reported that the mean price fora gallon of regul

The U.S. Energy Administration reported that the mean price fora gallon of regular gasoline in the United States was $2.357 (U.S.Energy Administration January 30 2006). Data for a sample ofregular gasoline prices at 50 service stations in the LowerAtlantic states are contained in the data file named Gasoline.xls.Conduct a hypothesis test to determine whether the mean price for agallon of gasoline in the Lower Atlantic states is different fromthe national mean. Use =.05 for the level of significance andstate your conclusion.