Observation	x1	x2	x3	y
1	0.8	2.8	2.5	11
2	3.9	2.6	5.7	10.8
3	1.8	2.4	7.8	10.6
4	5.1	2.3	7.1	10.3
5	4.9	2.5	5.9	10.3
6	8.4	2.1	8.6	10.3
7	12.9	2.3	9.2	10
8	6	2	1.2	9.4
9	14.6	2.2	3.7	8.7
10	9.3	1.1	5.5	8.7