A proofreader records the number of typing errors found on each of the 40 pages of a draft report.
| Number of Errors | Frequency |
|---|---|
| 0 | 10 |
| 1 | 8 |
| 2 | 15 |
| 3 | 7 |
| 4 or more | 0 |
Find the median number of errors per page.
Write down the mode.
Work out the total number of errors found in the report.
