The data from car crash tests for four different vehicle size categories Small Midsize Large...
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The data from car crash tests for four different vehicle size categories Small Midsize Large and SUV with measured amounts of left leg femur force kN results in the following Minitab display Us 0 05 significance level test the claim that the four vehicle size categories have the same mean force on the femur of the left leg Does size of the car appear to have an effect on the force on the left n crash tests Analysis of Variance Source Size Error Total DF Adj SS 3 0 6381 20 4828 21 1209 52 55 H Determine the null hypothesis Ho H1 H2 H3 H4 Determine the alternative hypothesis H H H3 H4 Adj MS 0 2127 0 3939 H H H3 H4 F Value 0 54 At least one of the means is different from the others All of the means are different P Value 0 657 WI
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