The co-efficient of variation along with its interpretation is: Interval Frequency[f] Cumulative Frequency Midpoint[X] X2 fX FX2 0 < 20 7 7 10 100 70 700 20< 40 9 16 30 900 270 8100 40 <60 15 31 50 2500 750 37500 60 < 80 6 37 70 4900 420 29400 80 < 100 3 40 90 8100 270 24300 total 40 16500 1780 100000
The co-efficient of variation along with its interpretation is: Interval Frequency[f] Cumulative Frequency Midpoint[X] X2 fX FX2 0 < 20 7 7 10 100 70 700 20< 40 9 16 30 900 270 8100 40 <60 15 31 50 2500 750 37500 60 < 80 6 37 70 4900 420 29400 80 < 100 3 40 90 8100 270 24300 total 40 16500 1780 100000
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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Question
The co-efficient of variation along with its interpretation is:
| Interval | Frequency[f] | Cumulative Frequency | Midpoint[X] | X2 | fX | FX2 |
| 0 < 20 | 7 | 7 | 10 | 100 | 70 | 700 |
| 20< 40 | 9 | 16 | 30 | 900 | 270 | 8100 |
| 40 <60 | 15 | 31 | 50 | 2500 | 750 | 37500 |
| 60 < 80 | 6 | 37 | 70 | 4900 | 420 | 29400 |
| 80 < 100 | 3 | 40 | 90 | 8100 | 270 | 24300 |
| total | 40 | 16500 | 1780 | 100000 |
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