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Claim: The average career length for an NFL player is 3.8 years. A random sample of 52 revealed a mean of 3.88 years. Use the

Claim: The average career length for an NFL player is 3.8 years. A random sample of 52 revealed a mean of 3.88 years. Use the traditional method at a 5% significance level to test the claim assuming a known population standard deviation of 0.38. Critical Value = + [three decimal accuracy Test Statistic = [three decimal accuracy] Conclusion Reject H. Fail to Reject H.

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