## Basic College Mathematics (9th Edition)

Published by Pearson

# Chapter 10 - Statistics - 10.4 Mean, Median, and Mode - 10.4 Exercises: 22

511

#### Work Step by Step

Since there is an even number, there is no single median, but a two middle numbers (these numbers are given). To find the median you take the average of these numbers $(513+509)/2=511$

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