The mean of given data is 36.5 and the mean of 'a' and 'b' is 5, if:
|
Class Interval |
15-25 | 25-35 | 35-45 | 45-55 | 55-65 | 65-75 | 75-85 |
| Frequency | 8 | 11 | a | 4 | b | 2 | 1 |
1
a = 9.8, b = 0.2
2
a = 15.8, b = - 5.8
3
a = 45b = - 35.5
4
a = - 45.8, b = 35.8
The mean of given data is 36.5 and the mean of 'a' and 'b' is 5, if:
|
Class Interval |
15-25 | 25-35 | 35-45 | 45-55 | 55-65 | 65-75 | 75-85 |
| Frequency | 8 | 11 | a | 4 | b | 2 | 1 |