Pelvis Injury Crash Test Data Exercises 1–4 use chest deceleration data for three different size categories (small, midsize, large). The data are from a standard crash test and they are listed in Data Set 13 in Appendix B. If we use the pelvis injury measurements (g) with the same three size categories, we get the XLSTAT results shown here. Using a 0.05 significance level, test the claim that the three size categories have the same mean pelvis injury measurement.

Does the size of a car appear to affect pelvis injuries?

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XLSTAT Analysis of variance: DF Sum of squares Mean squares Source Model 2 79.143 1 Error 18 2049.429 Corrected Total 20 2128.571 39.571 113.857 F Pr > F 0.348 0.711