Consumer Reports Health (www.consumer reports.org/health) reported the sodium content (mg)

per 2 tablespoon serving for each of 11 different peanut butters:

120 50 140 120 150 150 150 65 170 250 110

a. Display these data using a dotplot. Comment on any unusual features of the plot.

b. Compute the mean and median sodium content for the peanut butters in this sample.

c. The values of the mean and the median for this data set are similar. What aspect of the distribution of sodium content—as pictured in the dotplot from Part (a)—provides an explanation for why the values of the mean and median are similar?