5 The weights, in kg, of the 11 members of the Dolphins swimming team and the 11 members of the Sharks swimming team are shown below.
Dolphins
62
75
69
82
63
80
65
65
73
82
72
Sharks
68
84
59
70
71
64
77
80
66
74
72
Draw a back-to-back stem-and-leaf diagram to represent this information, with Dolphins on the left-hand side of the diagram and Sharks on the right-hand side.
Find the median and interquartile range for the Dolphins.