Experimental Study on the Escape Velocity of Miners during Mine Fire Periods
Table 4
ANOVA .
Model
Sum of Squares
df
Mean Square
F
Sig.
Dip ⩽ 0
Dip ⩾ 0
Dip ⩽ 0
Dip ⩾ 0
Dip ⩽ 0
Dip ⩾ 0
Dip ⩽ 0
Dip ⩾ 0
Dip ⩽ 0
Dip ⩾ 0
1
Regression
7.685
8.975
1
1
7.685
8.975
110.520
91.541
0.000
0.000
Residual
1.947
2.941
28
30
0.070
0.098
Total
9.632
11.916
29
31
2
Regression
8.171
9.665
2
2
4.086
4.832
75.514
62.259
0.000
0.000
Residual
1.461
2.251
27
29
0.054
0.078
Total
9.632
11.916
29
31
3
Regression
8.451
10.087
3
3
2.817
3.362
62.018
51.473
0.000
0.000
Residual
1.181
1.829
26
28
0.045
0.065
Total
9.632
11.916
29
31
a. Dependent variable: the miner escape velocity. b. Predictors: (constant) the inclination of the roadway. c. Predictors: (constant) the inclination of the roadway and the accessible section area of the roadway. d. Predictors: (constant) the inclination of the roadway, the accessible section area of the roadway, and the type of roadway.
