Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 1 - Self-Review Test - Page 29: 13


a. No b. Response biases are likely to be present, because there are likely when people included in the poll do not provide correct answers, or they do not understand the questions.

Work Step by Step

a. It is an observational study, for the assignment of elements to different treatments is voluntary.
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