What is the median of the following set of data?
78, 82, 91, 100, 78, 92, 82, 77, 80
1) 82
2) 78
3) 80
4) 100
78, 82, 91, 100, 78, 92, 82, 77, 80
1) 82
2) 78
3) 80
4) 100
