Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 1 - The Nature of Probability and Statistics - 1-4 Experimental Design - Exercises: 7

Answer

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Work Step by Step

If there was an experimental group, it would be hard to see how a given treatment affects outcomes. Through also using a control group, it is easy to compare the results of the change of conditions.
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