TABLE 5.
Summary of regression coefficient analysis for response Y1 (particle size).
| Coefficients | β0 | β1 (X1) | β2 (X2) | β3 (X3) | β4 (X1X2) | β5 (X1X3) | β6 (X2X3) | β7 (X12) | β8 (X22) | β9 (X32) |
|---|---|---|---|---|---|---|---|---|---|---|
| Size (nm) | 228.87 | −96.64 | −7.50 | 110.34 | 36.45 | −120.87 | −19.20 | 4.48 | 73.55 | 100.43 |
| p-value | 0.0018 | 0.0011 | 0.6661 | 0.0005 | 0.1701 | 0.0021 | 0.4430 | 0.8545 | 0.0199 | 0.0051 |