Food, Oils and Health: table 1.2 (Chapter 1, Table 2) gives the ratio of omega-3 to omega-6 fatty acids in common food oils. Exercise 1.34 asked you to plot the data. The distribution is strongly right-skewed with a high outlier.

Recall that the mean of a set of numbers is the same as the average of a set of numbers and a right skew would mean that there are number or numbers that are higher than and far removed from the rest of the numbers in the data set

The mean is the median because .