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 33: 19

Answer

Convenience sample.

Work Step by Step

Literary Digest conducted the survey by mailing out questionnaires, which was the most convenient way for them. This method didn't guarantee that their survey contained opinions of different people, therefore it is a convenience sample.
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