Fractal Characteristics of Porosity of Electrospun Nanofiber Membranes

Table 5

F test table.

Source of variance	Sum of squares	Degrees of freedom	Square	F	Conspicuousness
Regression	SSR	2	SSR/2	12.4165092	Extremely significant
Residual error	SSE	27	SSE/27
Sum	Lyy	29