Introductory Statistics 9th Edition

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

Chapter 1 - Section 1.5 - Population Versus Sample - Exercises - Page 18: 1.25

Answer

It is a non response error or bias.

Work Step by Step

Because many of the people do not respond to the survey conducted by the researcher.
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