highly significantp < 0.05
The quadratic terms A 2 , B 2 , and C 2 were also highly significant ( p < 0.05), confirming the non-linear nature of the response surface and justifying the use of a quadratic model.
The quadratic terms A 2 , B 2 , and C 2 were also highly significant ( p < 0.05), confirming the non-linear nature of the response surface and justifying the use of a quadratic model.