Ages of Car Buyers. Information on characteristics of new-car buyers appears in Buyers of New Cars, a publication of Newsweek, Inc. Independent random samples of new-car buyers yielded the data on age of purchaser, in years, by origin of car purchased, shown in the following table. Do the data provide sufficient evidence to conclude that a difference exists in the median ages of buyers of new domestic, Asian, and European cars? Use α = 0.05.

Domestic Asian European 41 78 72 42 42 42 51 51 58 47 45 39 33 21 67 83 24 39 35 21 45 69 39 27 50 45 33 60 30 55