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    Random Effects Models: Bumper Test of Three Types of Autos

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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?

    Crash1

    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

    © BrainMass Inc. brainmass.com December 15, 2022, 8:22 pm ad1c9bdddf
    https://brainmass.com/statistics/mean/random-effects-models-bumper-test-three-types-autos-295784

    Solution Preview

    Ho: The means are the same
    Ha: At least one of the means is not the same as ...

    Solution Summary

    This solution assists in determining the mean crash damages the same for the three vehicles.

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