Your new car has EPA rating of 26.0 miles per gallon. You thinks this car underperforms in this category. Miles per gallon were obtained from sample of cars similar to yours. The miles per gallon were as follows:
24.3, 25.2, 26.2, 25.9, 26.4, 25.8, 25.9, 24.9
Is there sufficient evidence, at the 0.01 level of significance to support EPA's claim?
Please show all work.