An aircraft has \(120\) passenger seats. The number of seats occupied during \(100\) flights is given in the following table :
| Number of seats | \(100-104\) | \(104-108\) | \(108-112\) | \(112-116\) | \(116-120\) |
| Frequency | 15 | 20 | 32 | 18 | 15 |
Obtain the mean number of seats occupied over the flights.
Answer:
The mean is .