Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.2 Using Data to Create Scatterplots - 1.2 Exercises - Page 30: 22



Work Step by Step

Looking at the graph, the cases per 100,000 population was 0.5. It is impossible to have half a case of hepatitis A, so the answer is rounded up to 1. Even looking at the table shows a decrease to almost 1 in 2006. We can infer based off of this that the amount of cases of hepatitis A per 100,000 population is approximately 1.
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