For Exercises 1.1 to 1.3, see page 3; for 1.4, see page 5; and for 1.5, see page 6.

Question 1.5

1.5 Which variable would you choose?

Refer to the previous example on colleges and their graduates.

  1. Give a setting where you would prefer to evaluate the colleges based on the numbers of graduates. Give a reason for your choice.
  2. Give a setting where you would prefer to evaluate the colleges based on the graduation rates. Give a reason for your choice.

1.5

(a) If you were interested in attending a large college, you would want to know the number of graduates. (b) If you were interested in making sure you graduate, you would want to know the graduation rate.