S. A Fair Isaac Corporation (FICO) score is used by credit agencies to assess the creditworthiness of individuals. Value
Posted: Tue Apr 26, 2022 5:49 pm
S. A Fair Isaac Corporation (FICO) score is used by credit agencies to assess the creditworthiness of individuals. Values range from 300 to 850 with a FICO Score above 700 considered to be a quality credit risk. According to the Fair Issac Corporation, the mean score is 708. A credit analyst wondered whether high-income individuals had higher credit scores. He obtained a random sample of 40 high-income individuals and found the sample mean credit score to be 725 with a standard deviation of 45. Conduct the appropriate test to determine if high-income individuals have higher FICO scores at -0.05.