MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

For a sample with a standard deviation of s = 12, a score of X = 42 corresponds to z = –0.50. The mean for the sample is M = ___.

a. 48
b. 45
c. 40
d. 36
Expert Solution
Check Mark
Step 1

given data 

s = 12

x = 42

z = -0.50

sample mean (M) = ?

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