Answer
$μ_{x̄} = 64$
$σ_{x̄} = 3$
Work Step by Step
We have μ = 64, σ = 18 and n= 36
$μ_{x̄} = μ$, hence $μ_{x̄} = 64$
$σ_{x̄} = σ / \sqrt n$
$= 18 / \sqrt 36$
= 3
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
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: 10
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