Answer
The answer is below.
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.
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
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 - Page 24: 7
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
