Costs To help travelers know what to expect, research ers collected the prices of commodities in 16 cities throughout the world. Here are boxplots comparing the prices of a ride on public...

Costs To help travelers know what to expect, research ers collected the prices of commodities in 16 cities throughout the world. Here are boxplots comparing the prices of a ride on public transportation, a news paper, and a cup of coffee in the 16 cities (prices are all in $US).

a) On average, which commodity is the most expensive?

 b) Is a newspaper always more expensive than a ride on public transportation? Explain.

 c) Does the presence of outliers affect your conclusions in part a or b?