Car Crash Tests If we use the data described in Exercise 1 with two-way analysis of variance, we get the accompanying display. What do you conclude?

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EXCEL MS F P-value F crit 1 166068.6 1.389567 0.246211 4.113165 2 266455.9 2.229551 0.122223 3.259446 2 205217.9 1.717146 0.19396 3.259446 36 119511 ANOVA Source of Variation SS df Sample 166068.6 Columns 532911.9 Interaction 410435.8 Within 4302397 Total 5411813 41