imple random samples of high-interest mortgages and low-interest mortgages were obtained. For the 36 high-interest mortgages, the borrowers had a mean FICO score of 637 and a standard deviation of 36. For the 10 low-interest mortgages, he borrowers had a mean FICO credit score of 687 and a standard deviaiton of 22. 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 0.1 significance level. Claim: Select an answer which corresponds to Select an answer Opposite: Select an answer which corresponds to Select an answer The test is: Select an answer 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.
Simple random samples of high-interest mortgages and low-interest mortgages were obtained. For the 36 high-interest mortgages, the borrowers had a
Claim:
Select an answer
which corresponds to
Select an answer
Opposite:
Select an answer
which corresponds to
Select an answer
The test is:
Select an answer
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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