Table 4 Results of two-factor variance experiment.

From: Influence of heat pipe layout parameters on the cooling effect of spontaneous combustion coal gangue dumps

Term

Sum of squares

DoFa

Mean squares

F-value

P-value

Spacing

69,487,106.75

3

23,162,368.92

31.359

0.000

Depth

28,831,274.25

3

9,610,424.750

13.011

0.001

Residual

6,647,566.750

9

738,618.528

  

Total

104,965,947.8

15

   
Back to article page