Answer
See below
Work Step by Step
Given: $$3.1,1.9,2.6,1.9,2.5,2.8,3.5$$
Order them:$$1.9,1.9,2.5,2.6,2.8,3.1,3.5$$
The mean is: $\frac{1.9+1.9+2.5+2.6+2.8+3.1+3.5}{7}=\frac{18.3}{7}$
The median is: $2.6$
The mode is: $1.9$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 12 Sequences and Series - 12.2 Analyze Arithmetic Sequences and Series - 12.2 Exercises - Mixed Review - Page 809: 86
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