Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 3 - Section 3.5 - Assess Your Understanding - Applying the Concepts - Page 181: 17a

Answer

This is an observational study as the researchers did not influence any variable and only the responses were collected.

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