For Exercises 2.23 and 2.24, see page 75; and for 2.25 and 2.26, see pages 77–78.

Question 2.32

2.32 Alcohol and carbohydrates in beer revisited

Refer to the previous exercise. Delete any outliers that you identified in Exercise 2.12.

beer

  1. Recompute the correlation without the outliers.
  2. Write a short paragraph about the possible effects of outliers on the correlation, using this example to illustrate your ideas.