Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 10 - Analysis of Variance - Exercises 10.1 - 10.14 - Applying the Concepts - Basic - Page 480: 10.5f

Answer

Observational study

Work Step by Step

Observational study, because just amount of rainfall is being observed.
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