Credit Scores

Credit Scores Use the results of Problem 12 from Section 14.1 to answer the following questions:

(a) Predict the mean interest rate of all individuals whose credit score is 730.

(b) Construct a 90% confidence interval for the mean interest rate of all individuals whose credit score is 730.

(c) Predict the interest rate of Kaleigh, whose credit score is 730.

(d) Construct a 90% prediction interval for the interest rate of Kaleigh, whose credit score is 730.

(e) Explain the difference between the prediction made in parts (a) and (c).

Problem 12