Table 14.

Result summary & ANOVA table for thermal resistance (K/W).

Variable	Type	Factor	Mean	Grouping			Source	Degrees of freedom	Adjusted Sum of Squares	Adjusted Mean Sum of Squares	F Value	P Value
Thermal resistance (K/W)	Plain	Lower	0.026		A		Error	6	0.000002	0.00000
	Plain	Standard	0.012	C			Factor	2	0.000302	0.00015	453.00	0.000	S**
	Plain	Higher	0.016			B	Total	8	0.000304
	Rib 2 × 2	Lower	0.039	A			Error	6	0.000001	0.00001
	Rib 2 × 2	Standard	0.018			C	Factor	2	0.000437	0.00028	874.11	0.000	S**
	Rib 2 × 2	Higher	0.025		B		Total	8	0.000463
	Rib 1 × 3	Lower	0.039	A			Error	6	0.000001	0.00000
	Rib 1 × 3	Standard	0.013			C	Factor	2	0.000790	0.00040	3556.00	0.000	S**
	Rib 1 × 3	Higher	0.030		B		Total	8	0.000791

S**(Significant).