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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: Are the mean crash damages the same for these three vehicles?
Goliath
Varmint
Weasel
1600
1290
1090
760
1400
2100
880
1390
1830
1950
1850
1250
1220
950
1920
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