Question: how to solve this question step by step 5. The National Student Loan Survey collects data to examine questions related to the amount of money

how to solve this question step by step

5. The National Student Loan Survey collects data to examine questions related to the amount of money that borrowers owe. In 2002 the survey selected a sample of 1280 borrowers who began repayment of their loans between four and six months prior to the study. The mean of the debt for undergraduate study was $18,900 and the standard deviation of debt was known from past data to be $49,000. In 1997 the survey again selected a sample of 1280 borrowers and found that the mean debt was $11,400 and the standard deviation of debt was known from past data to be $41,000. (4 marks) (a) Construct a 95% confidence interval for /2002 - /1997, the difference between population means. 2002: n= $1280 P: 1997: 1= 1280 mean = 18900 mean = 1/ 400 S = 49000 S = 41 0v0

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