Find the variance for the set of data: 27, 31, 22, 25, 25. The variance is 0.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Find the variance for the set of data: 27, 31, 22, 25, 25.
The variance is
Transcribed Image Text:Find the variance for the set of data: 27, 31, 22, 25, 25. The variance is
Expert Solution
Step 1

We have:-  

population data set contain 5 numbers given as follows:-

27,31,22,25,25

  To find :-   

population variance

  Method and formula to find out:-  

σ2=1Ni=1N(xi-μ)2

where N= 5

mean μ= (27+31+22+25+25)/5

 

 

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