The Basic Practice of Statistics 7th Edition

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

Chapter 8 - Producing Data: Sampling - Apply Your Knowledge - Page 218: 8.16a

Answer

An example question is: How many times a day do you send texts using your cell phone? People who have a cell phone only will give a much higher number than people who have a landline only (since landlines cannot send texts).

Work Step by Step

An example question is: How many times a day do you send texts using your cell phone? People who have a cell phone only will give a much higher number than people who have a landline only (since landlines cannot send texts).
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