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 - Page 12: 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.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.