Head Injury in a Car Crash The head injury data (in hic) are given below. Use a
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Head Injury in a Car Crash The head injury data (in hic) are given below. Use a 0.05 significance level to test the null hypothesis that the different weight categories have the same mean. Do the data suggest that larger cars are safer?
Subcompact: 681 428 917 898 420 Compact: 643 655 442 514 525 Midsize: 469 727 525 454 259 Full-size: 384 656 602 687 360
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