(See) The data that follow are coded serious head injury data that occur in car wrecks. The higher the number the more serious the head injury. Using a
Question: The data that follow are coded serious head injury data that occur in car wrecks. The higher the number the more serious the head injury. Using a 0.05 level of significance do the data suggest that larger cars are safer?
| subcompact | compact | mid-size | Full-size |
| 681 | 643 | 469 | 384 |
| 428 | 655 | 727 | 656 |
| 917 | 442 | 525 | 602 |
| 898 | 514 | 454 | 687 |
| 420 | 525 | 259 | 360 |
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