Exercise 17 looked at the distribution of protein in the Burger King menu items, comparing meat and non-meat items. That exercise offered the logarithm as a re-expression of Protein. Here are two other alternatives, the square root and the reciprocal. Would you still prefer the log.

Data From Exercise 17

Recall the data about the Burger King menu items in Chapter 7. Here are boxplots of protein content comparing items that contain meat with those that do not. The plot on the right graphs log(Protein). Which of the goals of re-expression does this illustrate?

Transcribed Image Text:

00 T co I VProtein A T 2 T of Meat Meat 0 00 Non-Meat 1/Protein 0.5 0.4 0.3 0.2 0.1 T I I 1 1 4:04 Meat Meat 0 Non-Meat