9709 P52 - Nov 2020 - Q5
2384
The following table gives the weekly snowfall, in centimetres, for 11 weeks in 2018 at two ski resorts, Dados and Linva.
| Dados | 6 | 8 | 12 | 15 | 10 | 36 | 42 | 28 | 10 | 22 | 16 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Linva | 2 | 11 | 15 | 16 | 0 | 32 | 36 | 40 | 10 | 12 | 9 |
- Represent the information in a back-to-back stem-and-leaf diagram.
- Find the median and the interquartile range for the weekly snowfall in Dados.
- The median, lower quartile and upper quartile of the weekly snowfall for Linva are 12, 9 and 32 cm respectively. Use this information and your answers to part (b) to compare the central tendency and the spread of the weekly snowfall in Dados and Linva.
