4.8 Optional: Interpreting histograms
(Answers are available in Sect. A.4)
To assess various lung diseases, many methods are available (including using a spirometer and the 6-minute walk test).
The fatigue assessment scale (FAS) is one way to measure the fatigue of the patient. (A high FAS value means more fatigue (Michielsen et al. 2003).)
- Critique this histogram. Identify ways to improve the histogram.
- Describe this histogram in words: what does it tell you?
- Draw a rough boxplot that corresponds approximately to the histogram, explaining your reasoning.