The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 8 - Producing Data: Sampling - Apply Your Knowledge - Page 219: 8.16b

Answer

It is biased because the question is slanted toward a higher result for users of cell phones than for landline users.

Work Step by Step

It is biased because the question is slanted toward a higher result for users of cell phones than for landline users.
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