If the population mean is 50 and the standard deviation is 5, what is the normal deviate Z for a sample of 30 people with a mean of 46?   Question 11 options:   -0.78   0.91   -4.40   -5.49

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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If the population mean is 50 and the standard deviation is 5, what is the normal deviate Z for a sample of 30 people with a mean of 46?

 

Question 11 options:

 

-0.78

 
0.91
 
-4.40
 
-5.49
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