Answer
56=M-s -----(1)
47=M-0.5s -----(2)
-(2)
9 = 1.5s
s=6
When s=6,
56 = M-s
M = 56+s
= 56+6
= 62
Work Step by Step
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Essentials of Statistics for the Behavioral Sciences 8th Edition
by Gravetter, Frederick J.; Wallnau, Larry B.
Published by
Cengage Learning
ISBN 10:
1133956572
ISBN 13:
978-1-13395-657-0
Chapter 5 - z-Scores: Location of Scores and Standardized Distributions - Problems - Page 147: 19
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