Table 8.

ANOVA analysis of the response surface model for Kerala state

Source	df	Adjust Sum of Squares	Adjust Mean Square	F value	P-value
Linear	2	679,906	339,953	9.93	0.001
Population density	1	210,681	210,681	3.37	0.100
Total population	1	469,225	469,225	7.50	0.023
Population density*total population	1	351,649	351,649	5.62	0.032
Error	9	562,870	62,541	×	×
Lack of fit	3	1,007,562	302,521	3.25	0.043
Pure error	4	1,613,745	403,436	×	×
Total	13	3,047,316	×	×	×