Question 2.24

2.24 Change the units

CASE 2.1 Refer to Exercise 2.6 (page 67), where you changed the units to millions of dollars for education spending and to thousands for population.

  1. Find the correlation between spending on education and population using the new units.
  2. Compare this correlation with the one that you computed in the previous exercise.
  3. Generally speaking, what effect, if any, did changing the units in this way have on the correlation?