Learning Outcomes (click to see)

After completing this module, you should be able to ...

  1. Describe why one might use a transformation in a One-Way ANOVA.
  2. Explain how a log transformation transform a strongly right-skewed distribution to an approximately normal distribution.
  3. Explain why a log transformation is preferred over other power transformations.
  4. Explain the meaning of a back-transformed difference in log means on the original scale.

Preparation for Class

Practice