Find the geometric mean.
12
14
8
10
16
20
34.49
26.39
24.49
36.39
3.46
5.49
2.89
9.65
4.26
3.96
5.27
6.93
4.9
8.9
7.9
5.9
15
23.94
14.56
26.44
21.91
Find x, y and z.
x = 8, y = 12.39, z=7.2
x = 7, y = 12.39, z=5.2
x = 12, y = 15.39, z=9.2
x = 6, y = 10.39, z=5.2
x = 6.32, y = 7.48, z=11.83
x = 9.62, y = 13.52, z=11.83
x = 13.43, y = 6.49, z=18.98
x = 5.34, y = 12.48, z=11.83