Statistics: The Art and Science of Learning From Data (3rd Edition)

Published by Pearson
ISBN 10: 0321755944
ISBN 13: 978-0-32175-594-0

Chapter 2 - Section 2.3 - Measuring the Center of Quantitative Data - Practicing the Basics: 2.30

Answer

The median is sometimes preferred because it is not sensitive for outliers and extreme values. The mean is sometimes preferred because it is easy to calculate.

Work Step by Step

For example a median can be useful when talking about salaries in a company where the executives earn a lot more than the rest of the employees. To get the median we first have to put the values in order, and that can take a lot of time. It is often easier to calculate the mean.
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