3. Two additives were tested on passenger cars to determine if they had an effect on miles per gallon. The test results on 6 passenger cars are illustrated in the following data: Car Additive A Additive B 20,12 18,05 2 23,56 21,77 3 24,77 22,57 4 18,55 14,98 19,15 17,06 6 24,23 21,15 Use = 0.05 and the Wilcoxon Rank Sum Test to show if there is a difference in the average distance traveled by the car under the two additives