Basic Statistics: Tales of Distributions 10th Edition

by Spatz, Chris

Published by Cengage Learning

ISBN 10: 0-49580-891-1

ISBN 13: 978-0-49580-891-6

Chapter 8 - Samples, Sampling Distributions, and Confidence Intervals - Problems - Page 159: 8.14

Answer

We would have to increase the value of N by a factor of 16 in order to reduce the standard error by a factor of 4.

Work Step by Step

Formula:

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