Construct a cumulative frequency distribution of more than type for the following data.
| Class interval | Frequency |
| 30 \(-\) 40 | 5 |
| 40 \(-\) 50 | 7 |
| 50 \(-\) 60 | 18 |
| 60 \(-\) 70 | 6 |
| 70 \(-\) 80 | 10 |
Answer:
| Class interval | Cumulative frequency |
| \(\text{More than}\) \(30\) | |
| \(\text{More than}\) \(40\) | |
| \(\text{More than}\) \(50\) | |
| \(\text{More than}\) \(60\) | |
| \(\text{More than}\) \(70\) |