Levels
Variables -1.68 -1 0 1 1.68
Eugenol 1:0.48 1:1 1:3 1:5 1:5.52
Temperature(X2) 38 45 55 65 72
Amount of Catalyst 0.03 0.1 0.2 0.3 0.37
Table 1: Experimental domain and level distribution of the variables used for optimization of esterification yield.