A credit score is used by credit agencies (such as mortgage companies and banks) to assess the creditworthiness of individuals Values range from 300 to 850, with a credt score over 700 considered to be a quality credit risk According to a survey, the mean credit score is 7098 A credit analyst wondered whether high-income individuals incomes in excess of $100,000 per year) had higher credit scores. He obtained a random sample of 44 high-income individuals and found the sample mean credit score to be 724.9 with a standard deviation of 84 4. Conduct the appropriate test to determine if high-income individuals have higher credit scores at th005 of significance