Answer
Z = 1.5 indicates Z score is above the mean by 1.5 standard deviations,
Therefore,
9 = 1.5σ
σ =6
Work Step by Step
--
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 146: 13
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
