Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 8 - Section 8.1 - Assess Your Understanding - Vocabulary and Skill Building - Page 410: 14d

Answer

0.15

Work Step by Step

For n=9, we have: $σ_{x̄} = σ / \sqrt n$ $σ = σ_{x̄}. \sqrt n$ $= 0.05 / \sqrt 9$ = 0.15
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