Table 4.

Box-Behnken design (BBD) matrix and the response values for the oil yield of fenugreek seed.

RUN	Independent Variable			Oil Yield (%)
	X1 (Temperature, °C)	X2 (Time, min)	X3 (Particle Size, mm)	Experimental	Predicted
1	50	30	0.1	6.75 ± 0.26	6.57
2	40	30	0.3	6.94 ± 0.31	7.04
3	40	20	0.5	5.33 ± 0.23	5.25
4	50	30	0.5	6.74 ± 0.12	6.77
5	40	30	0.3	6.93 ± 0.28	7.04
6	40	30	0.3	7.06 ± 0.36	7.04
7	40	30	0.3	7.12 ± 0.11	7.04
8	30	20	0.3	5.43 ± 0.09	5.32
9	50	20	0.3	6.33 ± 0.27	6.38
10	50	40	0.3	6.63 ± 0.30	6.73
11	40	30	0.3	7.18 ± 0.28	7.04
12	40	40	0.1	6.62 ± 0.17	6.70
13	30	30	0.5	5.10 ± 0.10	5.28
14	30	30	0.1	6.85 ± 0.25	6.82
15	30	40	0.3	6.59 ± 0.14	6.55
16	40	20	0.1	5.98 ± 0.33	6.11
17	40	40	0.5	6.37 ± 0.21	6.23