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Test: POST UNIT 7 - TEST - Ch. 10 This question: 1 point(s) possible. 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 credit score over 700 considered to be a quality credit risk. According to a survey, the mean credit score is 709.7. 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 30 high-income individuals and found the sample mean credit score to be 728.2 with a standard deviation of 81.7. Conduct the appropriate test to determine if high-income individuals have higher credit scores at the a = 0 05 level of significance. State the null and alternative hypotheses How = 709 7 H, H > 709.7 (Type integers or decimals. Do not round.) Identify the 1-statistic 1= 1.24 (Routid to two decimal places as needed.) Identify the P-value. P-value = 005 (Round to three decimal places as needed ) Make a conclusion regarding the hypothesis Reject the null hypothesis. There is sufficient evidence to claim that the mean credit score of high-income individuals is less than 709 7 More Statcrunch Next 6:30 PM X P a hp G 6/1 1/2022 hp