Using an ANOVA: Bumper Test
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Question: 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. The research question being asked in this case is as follows: Are the mean crash damages the same for these three vehicles? State the decision rule for alpha = .05 and make the decision. Interpret the p-value.
Crash Damage ($)
Goliath Varmint Weasel
1,600 1,290 1,090
760 1,400 2,100
880 1,390 1,830
1,950 1,850 1,250
1,220 950 1,920
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