Production of Sterilizing Agents from Calendula officinalis Extracts Optimized by Response Surface Methodology

Table 3

Analysis of variance (ANOVA) for the reduced cubic model.

Source	Sum of; squares	df	Mean; square	value	-value; Prob >
Model	1837.83	12	153.15	1521.89	0.0007
	539.40	1	539.40	5360.06	0.0002
	722.53	1	722.53	7179.87	0.0001
	190.16	1	190.16	1889.67	0.0005
	10.63	1	10.63	105.61	0.0093
	33.35	1	33.35	331.41	0.0030
	20.88	1	20.88	207.53	0.0048
	50.81	1	50.81	504.90	0.0020
	87.50	1	87.50	869.45	0.0011
	10.99	1	10.99	109.23	0.0090
	183.74	1	183.74	1825.88	0.0005
	26.03	1	26.03	258.64	0.0038
	121.13	1	121.13	1203.72	0.0008
Pure error	0.20	2	0.10
Cor total	1838.03	14

-squared = 0.9999; adjusted -squared = 0.9992; Std. Dev. = 0.32.