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(a) What is the coefficient of variation (CV)? Why do you study such variations? Explain using a real-life example. (b) Among the different measures of dispersion which one do you think is better and why? The following table gives the distribution of gas bills (GB’s) of some households (hhs) in a city. ( attached image ) (i) Calculate the ideal measures of dispersion. (ii) Make comments from your findings

(a) What is the coefficient of variation (CV)? Why do you study such variations? Explain using a real-life example. (b) Among the different measures of dispersion which one do you think is better and why? The following table gives the distribution of gas bills (GB’s) of some households (hhs) in a city. ( attached image ) (i) Calculate the ideal measures of dispersion. (ii) Make comments from your findings

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
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(a) What is the coefficient of variation (CV)? Why do you study such variations? Explain using a real-life example.
(b) Among the different measures of dispersion which one do you think is better and why?
The following table gives the distribution of gas bills (GB’s) of some households (hhs) in a city. ( attached image )

(i) Calculate the ideal measures of dispersion.
(ii) Make comments from your findings

GB's (Tk.'0) No. of hhs 375-450 41 450-525 95 525-600 31 600-675 61 675-750 19
Transcribed Image Text:GB's (Tk.'0) No. of hhs 375-450 41 450-525 95 525-600 31 600-675 61 675-750 19
Expert Solution
Step 1

Introduction - 

Coefficient of variation

CV=Standard deviation mean CV(%)= standard deviation mean ×100 

 

Mean =∑fx∑f

 

Standard deviation =∑fxi-x2Nwhere , N=∑f

 

 

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