11.24 In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph ...

        11.24 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?         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