You are given the following summary statistics from a regression analysis:

a. Determine the point estimate for y if xp = 48 is used.
b. Provide a 95% confidence interval estimate for the average y, given xp = 48. Interpret this interval.
c. Provide a 95% prediction interval estimate for a particular y, given xp = 48. Interpret.
d. Discuss the difference between the estimates provided in parts b and c.