Box–Behnken design with independent variables and response values.

Run	Independent variables			Response
	X 1 (min)	X 2 (°C)	X 3 (Mpa)	Experimental	Predicted
1	−1(20)	−1(40)	0(1.8)	2.50	2.55
2	−1(20)	1(60)	0(1.8)	2.76	2.79
3	−1(20)	0(50)	−1(1.5)	2.54	2.52
4	−1(20)	0(50)	1(2.1)	3.20	3.22
5	1(40)	−1(40)	0(1.8)	3.36	3.33
6	1(40)	1(60)	0(1.8)	2.42	2.38
7	1(40)	0(50)	−1(1.5)	2.92	2.98
8	1(40)	0(50)	1(2.1)	3.02	3.04
9	0(30)	−1(40)	−1(1.5)	2.73	2.70
10	0(30)	−1(40)	1(2.1)	3.20	3.14
11	0(30)	1(60)	−1(1.5)	2.55	2.53
12	0(30)	1(60)	1(2.1)	2.66	2.69
13	0(30)	0(50)	0(1.8)	3.62	3.63
14	0(30)	0(50)	0(1.8)	3.68	3.63
15	0(30)	0(50)	0(1.8)	3.60	3.63