Nº da Amostra,x1,x2,x3,x4
1,6,9,10,15
2,10,4,6,11
3,7,8,10,5
4,8,9,6,13
5,9,10,7,13
6,12,11,10,10
7,16,10,8,9
8,7,5,10,4
9,9,7,8,12
10,15,16,10,13
11,8,12,14,16
12,6,13,9,11
13,16,9,13,15
14,7,13,10,12
15,11,7,10,16
16,15,10,11,14
17,9,8,12,10
18,15,7,10,11
19,8,6,9,12
20,14,15,12,16