The Basic Practice of Statistics 7th Edition

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

Chapter 0 - Getting Started - Chapter 0 Exercises - Page 9: 0.3b

Answer

The results would not be any more trustworthy if there were 2500 respondents because the 2500 people who respond are being affected by Ed's political viewpoints and monologue the same as if there were only 868 respondents.

Work Step by Step

Think of this problem like drawing water from a poisoned well. The water represents people's opinions, and the poison represents the bias imposed by The Ed Show. It doesn't matter if you draw one bucket of poisoned water up, or if you draw ten buckets of poisoned water up, the water is still poisoned.
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