Term Effect Coefficient (Cxi) t-value P
Constant   40.125 24.06 <0.01
Time 5.5 2.7 1.65 0.138
Glucose 21 10.5 6.3 <0.01
NH4)2SO4 -2.75 -1.375 -0.82 0.434
Initial pH -1.25 -0.25 -0.37 0.718
Initial COD -5.5 -2.7 -1.65 0.138
Inoculum size 3.5 1.7 1.05 0.325
Agitation 11.25 5.625 3.37 0.01
Table 3: Estimated Effects and Coefficients for color removal (%).