Table 4: Analysis of variance for the mycelium growth. All the scalars in table are dimensionless.

Source of Variation Sum of Squares Degrees of Freedom Mean Square Error F-Ratio P-Value
X1 5.102 1 5.102 0.79 0.388
X2* 70.514 1 70.514 10.87 0.005
X3* 183.003 1 183.003 28.22 0.000
X4* 52.208 1 52.208 8.05 0.012
X5 1.613 1 1.613 0.25 0.625
X6* 127.034 1 127.034 19.59 0.000
X1X2 0.033 1 0.033 0.01 0.944
X1X 3 13.614 1 13.614 2.10 0.167
X3X6 (X1X 4) * 43.596 1 43.596 6.72 0.020
X2X 6 (X1X 5)* 71.441 1 71.441 11.02 0.004
X1X6 10.513 1 10.513 1.62 0.221
X2X 3 25.927 1 25.927 4.00 0.063
X2X4 0.097 1 0.097 0.01 0.904
X1X 2X 3 7.855 1 7.855 1.21 0.287
X1X 2X 4* 38.26 1 38.26 5.90 0.027
Residual error 103.748 16 6.484
Pure error 103.748 16 6.484
Total 754.557 31