Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 1 - Section 1.6 - Assess Your Understanding - Applying the Concepts - Page 55: 29c

Answer

Factor 1: Salt. It can be controlled. Factor 2: Consumption of fruits and vegetables. It can be controlled. Factor 3: The ability of the body to process and eliminate salt. It is unpredictable and difficult to control. To overcome this, subjects should be randomly assigned to groups.

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