Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 6 - Confidence Intervals - Section 6.1 Confidence Intervals for the Mean - Exercises - Page 305: 9

Answer

See explanation below.

Work Step by Step

The sampling error = 3.8 - 4.27 = 0.47
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