On average which commodity is the most expensive

Reference no: EM131394325

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).

572_Fig 04.jpg

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 a) or b)?

Reference no: EM131394325

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