Table 2 Regression coefficients of the predicted quadratic polynomial model for response variables Y (FFA%).
Variables | Coefficients (ß) % FFA (Y) | T | P | Notability |
|---|---|---|---|---|
Intercept | 96.65 | 144.21 | 0.0001 | *** |
Linear | ||||
X 1 | 17.28 | 889.81 | 0.0001 | *** |
X 2 | 4.33 | 57.02 | 0.0001 | *** |
X 3 | 1.91 | 9.52 | 0.0150 | ** |
Square | ||||
X 11 | -15.14 | 130.05 | 0.0001 | *** |
X 22 | 0.37 | 0.085 | 0.7777 | |
X 33 | 0.63 | 0.33 | 0.5838 | |
Interaction | ||||
X 12 | -3.48 | 30.63 | 0.0006 | *** |
X 13 | -1.40 | 4.02 | 0.0800 | |
X 23 | 0.11 | 0.023 | 0.8825 | |
R 2 | 0.99 |