5. The values of daily sales, to the nearest \(\pounds\), taken at a newsagents last year are summarised in the table below.
| Sales | Number of days |
| \(1 - 200\) | 166 |
| \(201 - 400\) | 100 |
| \(401 - 700\) | 59 |
| \(701 - 1000\) | 30 |
| \(1001 - 1500\) | 5 |
- Draw a histogram to represent these data.
- Use interpolation to estimate the median and inter-quartile range of daily sales.
- Estimate the mean and the standard deviation of these data.
The newsagent wants to compare last year's sales with other years.
- State whether the newsagent should use the median and the inter-quartile range or the mean and the standard deviation to compare daily sales. Give a reason for your answer.
(2)