5 The number of people a football stadium can hold is called the 'capacity'. The capacities of 130 football stadiums in the UK, to the nearest thousand, are summarised in the table.
| Capacity | \(3000 - 7000\) | \(8000 - 12000\) | \(13000 - 22000\) | \(23000 - 42000\) | \(43000 - 82000\) |
| Number of stadiums | 40 | 30 | 18 | 34 | 8 |
- On graph paper, draw a histogram to represent this information. Use a scale of 2 cm for a capacity of 10000 on the horizontal axis.
- Calculate an estimate of the mean capacity of these 130 stadiums.
- Find which class in the table contains the median and which contains the lower quartile.