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sample of n = 56 observations The sum of x is ∑x = 4135 The sum of x² is ∑x² = 315647 12 The sample mean is, a 75.622

sample of n = 56 observations The sum of x is ∑x = 4135 The sum of x² is ∑x² = 315647 12 The sample mean is, a 75.622

MATLAB: An Introduction with Applications
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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In a sample of  n = 56 observations
The sum of x is ∑x = 4135    
The sum of x² is ∑x² = 315647    

 

12 The sample mean is,
a 75.622  
b 74.725  
c 73.839  
d 72.964  
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