Essentials of Statistics (5th Edition)

Published by Pearson
ISBN 10: 0-32192-459-2
ISBN 13: 978-0-32192-459-9

Chapter 1 - Introduction to Statistics - 1-4 Collecting Sample Data - Page 34: 33

Answer

A completely randomized design is the most appropriate.

Work Step by Step

It would be really difficult to take all conditions into consideration and it would probably not be necessary anyway, therefore there is not reason why to do any matching or blocking, therefore a completely randomized design is the most appropriate.
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