Car Crash Test Measurements Listed below are head injury measurements from small cars that were tested in crashes. The measurements are in “hic,” which is a measurement of a standard “head injury criterion.” The data are from Data Set 13 in Appendix: Data Sets, which is based on data from the National Highway Traffic Safety Administration. The listed values correspond to these cars: Chevrolet Aveo, Honda Civic, Volvo S40, VW Jetta, Hyundai El- antra, Kia Rio, and Kia Spectra. Which car appears to be safest? Based on these limited results, do small cars appear to have about the same risk of head injury in a crash?

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