Table 8 Analysis of variance for % elongation
From: Microstructural and mechanical studies of feedstock material in continuous extrusion process
Source | DF | Sum of squares | Mean sum of squares | F-value | p-value |
|---|---|---|---|---|---|
Regression | 5 | 889.097 | 176.819 | 61.01 | 0.000 |
Linear | 2 | 12.750 | 6.375 | 2.19 | 0.183 |
Square | 2 | 840.347 | 420.173 | 144.16 | 0.00 |
Interaction | 1 | 36.000 | 36.00 | 12.35 | 0.010 |
Residual error | 7 | 20.403 | 2.915 | Â | Â |
Lack of fit | 3 | 20.403 | 6.801 | Â | Â |
Pure error | 4 | 0.00 | 0.00 | Â | Â |
Total | 12 | 909.50 | Â | Â | Â |