1. In your own words, what is a nonparametric test?  What is a parametric test?
  2. In your own words, identify an advantage of using rank correlation instead of linear correlation.
  3. Which of the following terms is sometimes used instead of “nonparametric test”:  normality test, abnormality test, distribution-free test, last testament, test of patience?  Why is this term better than “nonparametric test”?