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Table 3 Statistical analysis for the Doehlert experimental design

From: ESolvent-free, enzyme-catalyzed biodiesel production from mango, neem, and shea oils via response surface methodology

  Mango Neem Shea
Coeff VMC P value Coeff VMC P value Coeff VMC P value
b0 95.46 37.27 <0.001 91.07 61.86 <0.001 97.42 38.57 <0.001
b1 14.14 5.52 <0.001 −0.98 0.67 0.404 17.25 6.83 <0.001
b2 −9.89 3.86 <0.001 −6.61 4.49 <0.001 −0.04 0.02 0.973
b3 5.68 2.22 0.029 3.37 2.29 0.015 −13.22 5.24 <0.000
b4 20.86 8.14 <0.001 1.64 1.12 0.244 12.22 4.84 <0.001
b11 −20.13 7.86 0.003 0.35 0.24 0.913 −18.07 7.15 <0.001
b22 −24.12 9.42 <0.001 −6.70 4.55 0.044 −6.27 2.48 0.076
b33 −7.39 2.89 0.219 3.91 2.65 0.216 −11.81 4.68 0.001
b44 −17.32 6.76 0.008 10.37 7.05 0.003 −4.58 1.82 0.186
b12 6.25 2.44 0.281 −7.40 5.03 0.02 9.08 3.60 0.009
b13 −9.08 3.55 0.165 −2.45 1.66 0.471 9.97 3.95 0.01
b14 −1.23 0.48 0.854 2.30 1.56 0.514 −25.21 9.98 <0.001
b23 −3.35 1.31 0.602 −4.73 3.21 0.169 −2.61 1.03 0.473
b24 −17.45 6.81 0.014 −2.68 1.82 0.447 −7.54 2.99 0.053
b34 −3.83 1.50 0.693 2.67 1.82 0.6 17.24 6.83 0.004