International Journal of Polymer Science / 2013 / Article / Tab 5

Research Article

Application of Box-Behnken Design in Optimization of Glucose Production from Oil Palm Empty Fruit Bunch Cellulose

Table 5

Regression analysis of a full second-order polynomial model for optimisation of glucose production from OPEFB cellulose.

VariablesStandard error value -valueCoefficient based on coded value

Intercept5.07740110.640.0001**54.000000
3.8779292.370.05539.200000
4.635012−2.320.0595−10.750000
3.87792912.020.0001**46.600000
6.7167706.300.0007**42.300000
10.154802−5.820.0011**−59.100000
8.0280767.190.0004**57.750000
4.3971583.480.0132*15.300000
6.388923−6.700.0005**−42.800000
0.000000

Significant at 1% level.
Significant at 5% level.

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