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I Question 19 B 5 pts '0 'l (D Details A Fair Isaac Corporation (FICO) score is used by credit agencies such as banks to
I Question 19 B 5 pts '0 'l (D Details A Fair Isaac Corporation (FICO) score is used by credit agencies such as banks to determine whether to lend money and the interest rate to charge. Its value ranges from 300 to 850 and if you have a score over 700, you are considered to be a "quality" credit risk. The mean credit score of average income earners in California is estimated by Fair Isaac to be 673. A recent survey of 15 high income earners in California had a mean FICO score of 5:687 and a standard deviation of 3:30. Use a 0.10 significance level to test the claim that the mean FICO score of high income earners in California is more than 673, the mean score of average income earners in California. Claim: which corresponds to Opposite: which corresponds to The test is: The test statistic is: D (to 3 decimals) Identify the range of the p-value: Based on this we: | Select an answer VI Conclusion There appear to be enough evidence to support the claim that the mean FICO score of high income earners in California is more than 673, the mean score of average income earners in California
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