Answer
1.8
Work Step by Step
As per the plot, for men, the average number of awakenings at age 25 = 3.2, For women, the average number of awakenings at age 25 = 1.4. So, the difference would be 3.2-1.4=1.8.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.3 - Graphing Equations - Exercise Set - Page 38: 55
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