The data shows the number of actors at different film companies across the city.

Find the range of the data set.
61
65
67
69
71
73
77
85
87
89
The range of the data set is
28
.
Good work!
Find the IQR of the data set.
61
65
67
69
71
73
77
85
87
89
The IQR of the data set is
.