## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 11 Data Analysis and Statistics - 11.1 Find Measures of Central Tendency and Dispersion - 11.1 Exercises - Skill Practice - Page 747: 9

See below.

#### Work Step by Step

The set of numbers is not in increasing order. The median of $n$ is the middle number of the numbers when they are in order (and the mean of the middle $2$ numbers if $n$ is even). The mode of $n$ numbers is the number or numbers that appear(s) most frequently. Hence here the median is the middle in the sequence $3, 5, 8, 9, 10,10, 12$, which is: $9$.

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