SOURCE

Degree of Freedom

(DF)

Alias

Sum of Squares

(SS)

Mean of Squares

(MS)

F-value

F-critical

$X_1$ (Stove type)

1

$X_2{X}_3{X}_4$

0.00124

0.00124

4.06

4.54

$X_2$ (Fuel type)

1

$X_1{X}_3{X}_4$

0.00572

0.00572

18.72

4.54

$X_3$ (fuel load)

1

$X_1{X}_2{X}_4$

0.00498

0.00498

16.30

4.54

$X_4$ (fan)

1

$X_1{X}_2{X}_3$

0.00005

0.00005

0.15

4.54

$X_1{X}_2$

1

$X_3{X}_4$

0.00148

0.00148

4.83

4.54

$X_1{X}_3$

1

$X_2{X}_4$

0.00098

0.00098

3.20

4.54

$X_1{X}_4$

1

$X_2{X}_3$

0.00075

0.00075

2.45

4.54

$X_1{X}_2{X}_3{X}_4$

1

(1)

0.00000

0.00000

0.00

4.54

ERROR

15

0.00458

0.00028

TOTAL

23

0.01977