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.
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 1,6301,2401,000 7701,4402,190 8901,3901,890 1,9701,8101,250 1,2109001,980 Click here for the Excel Data File Fill in the missing data. (Round your p-value to 4 decimal places, mean values to 1 decimal place, and other answers to 2 decimal places.) Group Mean n Std. DevVariance Goliath 1294 5 503.66 253680 Varmint 1356 5 330.045 108930 Weasel 1662 5 509.8725 259970 Total One-Factor ANOVA Source SSdf MSFp-value Treatment Error Total Based on the given hypotheses, choose the right option. H0: μ1 = μ2 = μ3 H1: Not all the means are equal α = .05 multiple choice 1 Reject the null hypothesis if p-value > 0.05 Reject the null hypothesis if p-value < 0.05 On the basis of the above findings, we cannot reject the null hypothesis. multiple choice 2 True False Based on the given hypotheses, choose the right option. H0: σ21 = σ22 = σ23 H1: Not all the variances are equal α = .0 multiple choice 3 Reject the null hypothesis if H > 15.5 Reject the null hypothesis if H < 15.5 Calculate the value of Hcalc. (Round your answer to 2 decimal places.) Hcalc On the basis of the above-determined Hcalc, we reject the null hypothesis. multiple choice 4 False True
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