3 The following back-to-back stem-and-leaf diagram shows the annual salaries of a group of 39 females and 39 males.
| Females | | Males |
| (4) | \multirow{7}{*}{9} | | | | | 5 | 2 | 0 | 0 | 20 | 3 | | | | | | | | | |
| (9) | | 8 | 8 | 7 | 6 | 4 | 0 | 0 | 0 | 21 | 0 | 0 | 7 | | | | | | | |
| (8) | \multirow{5}{*}{} | 8 | 7 | 5 | 3 | 3 | 1 | 0 | 0 | 22 | 0 | 0 | 4 | 5 | 6 | 6 | | | | |
| (6) | \multirow{4}{*}{} | | 6 | 4 | 2 | 1 | 0 | 0 | 23 | 0 | 0 | 2 | 3 | 3 | 5 | 6 | 7 | 7 | |
| (6) | | | | 7 | 5 | 4 | 0 | 0 | 0 | 24 | 0 | 1 | 1 | 2 | 5 | 5 | 6 | 8 | 8 | 9 |
| (4) | | | | | | 9 | 5 | 0 | 0 | 25 | 3 | 4 | 5 | 7 | 7 | 8 | 9 | | | |
| (2) | | | | | | | | 5 | 0 | 26 | 0 | 4 | 6 | | | | | | | |
Key: 2 | 20 | 3 means \\(20200 for females and
)20300 for males.
- Find the median and the quartiles of the females' salaries.
You are given that the median salary of the males is \(
) 24000\(, the lower quartile is \)\\( 22600\) and the upper quartile is \(
) 25300$. - Represent the data by means of a pair of box-and-whisker plots in a single diagram on graph paper.