1.Find the mean: 1, 6, 9, 6, 18, 20
2.Find the mean: 2, 7, 2, 4, 7, 14
3.Find the mean: 1, 1, 1, 11, 15, 19
4.Find the mean: 15, 4, 14, 20, 18, 13
5.Find the mean: 9, 6, 20, 9, 11, 11
6.Find the mean: 10, 5, 20, 3, 5, 5
7.Find the mean: 5, 9, 5, 16, 15
8.Find the mean: 11, 15, 14, 18, 6, 8