Listed below are measured loads (in lb) on the right femur of crash test dummies. (The data are from the same cars used in the Chapter Problem for Chapter 12.) Test the claim that the different car categories have the same median. Do these data suggest that larger cars are safer?

Use a 0.05 significance level with the indicated test. If no particular test is specified, use the appropriate nonparametric test from this chapter.

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Small Cars 63 1001 1261 1048 307 925 491 917 750 1008 Medium Cars 257 905 756 547 461 787 677 1023 1444 632 Large Cars 752 669 740 1202 669 1290 554 683 1023 786