Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 1 - Introduction to Statistics - 1-2 Statistical and Critical Thinking - Basic Skills and Concepts: 12

Answer

The sampling method is sound.

Work Step by Step

Like question 11, not only is the poll run by a sound pollster, Gallup, people are chosen randomly, and contacted by telephone, removing the need to coincidently go to a website.
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