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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Costs. To help travelers know what to expect, researchers collected the prices of commodities in 16 cities throughout the world. Here are boxplots comparing the prices of a ride on public transportation, a newspaper, and a cup of coffee in the 16 cities (prices are all in $US).
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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?
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