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Question 21 5 pts 9 1 0 Details Simple random samples of high-interest mortgages and low-interest mortgages were obtained. For the 15 high-interest mortgages, the
Question 21 5 pts 9 1 0 Details Simple random samples of high-interest mortgages and low-interest mortgages were obtained. For the 15 high-interest mortgages, the borrowers had a mean FICO score of 641 and a standard deviation of 27. For the 35 low-interest mortgages, he borrowers had a mean FICO credit score of 664 and a standard deviaiton of 25. Test the claim that the mean FICO score of borrowers with high- interest mortgages is different than the mean FICO score of borrowers with low-interest mortgages at the 0.02 significance level. Claim: Select an answer | which corresponds to |Select an answer v Opposite: Select an answer | which corresponds to Select an answer The test is: Select an answer v The test statistic is: t = (to 2 decimals) The critical value is: + (to 3 decimals) Based on this we: Select an answer Conclusion There Select an answer | appear to be enough evidence to support the claim that the mean FICO score of borrowers with high-interest mortgages is different than the mean FICO score of borrowers with low-interest mortgages
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