Calculate the arithmetic mean, variance, and the coefficient of variation for the given data: Marks 31-35 36-40 41-45 46-50 51-55 56-60 61-65 Obtained Number of 5 12 25 30 25 12 5 students

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Question 1. Calculate the arithmetic mean, variance, and the coefficient of variation for the given data:
Marks
31-35
36-40
41-45
46-50
51-55
56-60
61-65
Obtained
Number of
5
12
25
30
25
12
5
students
Transcribed Image Text:Question 1. Calculate the arithmetic mean, variance, and the coefficient of variation for the given data: Marks 31-35 36-40 41-45 46-50 51-55 56-60 61-65 Obtained Number of 5 12 25 30 25 12 5 students
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