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. 2012 Jun 1;43(3):1051–1061. doi: 10.1590/S1517-838220120003000031

Table 3.

ANOVA (analysis of variance) for the experimental parameters of Plackett Burman design affecting protease production.

Variable Coefficient Standard Error F-value p-value
Model - - 5.85 0.0218*
Lack of Fit - - 0.011 0.9952**
Incubation Period 64.17 101.10 0.40 0.5490**
Moisture Level -41.67 101.10 0.17 0.6946**
Inoculum Size 352.67 101.10 12.17 0.0130*
Wheat Bran 330.17 101.10 10.67 0.0171*
Soybean meal 407.33 101.10 16.23 0.0069*
Yeast Extract 178.00 101.10 3.10 0.1288**
MgSO4 -92.33 101.10 0.83 0.3963**
(NH4)2SO4 295.33 101.10 8.53 0.0266*
Temperature -72.33 101.10 0.51 0.5012**
*

Significant values

**

Non-significant values at p< 0.05