In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Research question: At α = .01, are the median crash damages the same for these three vehicles?

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Crash Damage in Dollars Goliath Varmint Weasel 1,600 760 880 1,950 1,220 1,290 1.400 1,390 1,850 950 1,090 2,100 1,830 1,250 1,920