Experimental Research on Key Factors Influencing the Expansion Performance of New Type Sealing Materials

Table 4

Analysis of variance of different models.

Source	Sum of squares	df	Mean square	F value	value Prob > F
Mean versus total	112.36	1	112.36
Linear	3.67	4	0.92	18.18	<0.0001	Suggested
2FI	0.30	6	0.050	0.98	0.4653
Quadratic	0.45	4	0.11	3.40	0.0384	Suggested
Cubic	0.41	8	0.051	5.63	0.0247
Residual	0.054	6	9.061 × 10^−3
Total	117.24	29	4.04