Mathematics
Mathematics
Problem
Find the mean of the following grouped frequency distribution using the step deviation method:| Class Interval | 0–10 | 10–20 | 20–30 | 30–40 |
|---|---|---|---|---|
| Frequency | 5 | 9 | 14 | 2 |
Mathematics
| Class Interval | 0–10 | 10–20 | 20–30 | 30–40 |
|---|---|---|---|---|
| Frequency | 5 | 9 | 14 | 2 |