Data Set 24 in Appendix B includes a simple random sample of FICO credit rating scores. As
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Data Set 24 in Appendix B includes a simple random sample of FICO credit rating scores. As of this writing, the mean FICO score was reported to be 678. Use a 0.05 signficance level to test the claim that the sample of FICO scores comes from a population with a mean equal to 678.
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Testing Of Hypothesis Test for Population Mean When population standard deviation is unkno...View the full answer
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