For Exercises 15–24, use the data and the regression equations that you calculated in the Section 13.1 exercises.

Question 13.98

20. Family Size and pets. Refer to the data from Exercise 16.

  1. Construct a 95% prediction interval for the number of pets for a randomly selected family of size 5.
  2. Compare the intervals from Exercise 16(b) and Exercise 20(a). Which interval is wider, and why?