Factor
Regression
coefficient
Std. err.
t-value
P-value
Mean 5.60 0.06 85.58 o0.00a
Grape waste(1) 0.04 0.07 0.51 0.66
Peptone (2) 3.78 0.07 49.3 o0.00a
Monosodium glutamate (3)
0.53 0.07 6.97 0.02a
12 0.20 0.07 2.67 0.11
13 0.21 0.07 2.82 0.10
23 0.03 0.07 0.41 0.72
aSignificant factors Po0.05