Listed below are head injury data from crash test dummies used in cars of various sizes. These measurements are in hic, which denotes a standard head injury criterion. Use a 0.05 significance level to...

Listed below are head injury data from crash test dummies used in cars of various sizes. These measurements are in hic, which denotes a standard head injury criterion. Use a 0.05 significance level to test the null hypothesis that the different car categories have the same mean.

Extracted text: Small Cars 290 406 371 544 374 501 376 499 479 475 Medium Cars 245 502 474 505 393 264 368 510 296 349 Large Cars 342 216 335 698 216 169 608 432 510 332