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 212: 8.9

Answer

As the elections come more closer, Pew will want to make sure that their estimate is more accurate; that's why they increase the sample size.

Work Step by Step

As the elections come more closer, Pew will want to make sure that their estimate is more accurate; that's why they increase the sample size.
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