given the following data , find out Quartile deviation and the coefficient of Quartile deviation ??
Wage : 0-5 , 5-10, 10-15,15-20,20-25,25-30
worker; 4 , 6 , 3 , 8 , 12 , 7
Dear Student,
First quartile class is given by size of item, that is, item, which is 10th item. Thus, 1015 is the first quartile class.
Third quartile class is given by size of item, that is, item, which is 30th item. Thus, 2025 is the third quartile class.
Coefficient of QD
Class Interval | Frequency | Cumulative Frequency |
05 | 4 | 4 |
510 | 6 | 10 |
1015 | 3 | 13 |
1520 | 8 | 21 |
2025 | 12 | 33 |
2530 | 7 | 40 |
First quartile class is given by size of item, that is, item, which is 10th item. Thus, 1015 is the first quartile class.
Third quartile class is given by size of item, that is, item, which is 30th item. Thus, 2025 is the third quartile class.
Coefficient of QD