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Sample of NHTSA Conducted Crash Tests of Child Booster Seats

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The NHTSA conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in hic (standard head injury condition units). The safety requirement is that the hic measurement should be less than 1000 hic. Use a 0.01 significance level to test the claim that the sample is from a population with a mean less than 1000 hic. Use the traditional approach to hypothesis testing.

774 649 1210 546 431 612

Hypothesis Statement:

Critical Values:

Test Value:

Conclusion:

Summary:.

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Solution Summary

The solution uses a traditional approach to hypothesis testing on crash tests of child booster seats for cars.

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