The Basic Practice of Statistics 7th Edition

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

Chapter 16 - Confidence Intervals: The Basics - Chapter 16 Exercises - Page 389: 16.28

Answer

See below.

Work Step by Step

The margin of error: $z^*\frac{\sigma}{\sqrt n}$, thus statisticians prefer large samples because that decreases the margin of error.
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