9709 P51 - Nov 2021 - Q6
2504
The weights, in kg, of 15 rugby players in the Rebels club and 15 soccer players in the Sharks club are shown below.
| Rebels | 75 | 78 | 79 | 80 | 82 | 82 | 83 | 84 | 85 | 86 | 89 | 93 | 95 | 99 | 102 |
| Sharks | 66 | 68 | 71 | 72 | 74 | 75 | 75 | 76 | 78 | 83 | 83 | 84 | 85 | 86 | 92 |
(a) Represent the data by drawing a back-to-back stem-and-leaf diagram with Rebels on the left-hand side of the diagram.
(b) Find the median and the interquartile range for the Rebels.
A box-and-whisker plot for the Sharks is shown below.
(c) On the same diagram, draw a box-and-whisker plot for the Rebels.
(d) Make one comparison between the weights of the players in the Rebels club and the weights of the players in the Sharks club.
