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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

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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

Step 1

given data

s = 12

x = 42

z = -0.50

sample mean (M) = ?

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