Research Article
Investigation of Corrosion Rate of Mild Steel in Fruit Juice Environment Using Factorial Experimental Design
Table 4
Analysis of variance (ANOVA) of general factorial design.
(a) |
| Source | DF | Adj. SS | Adj. MS | value | value |
| Model | 21 | 0.64027 | 0.030489 | 11.15 | 0.001 | Linear | 7 | 0.55017 | 0.078595 | 28.74 | 0.000 | | 2 | 0.02249 | 0.011243 | 4.11 | 0.059 | | 4 | 0.31935 | 0.079837 | 29.19 | 0.000 | | 1 | 0.20833 | 0.208333 | 76.17 | 0.000 | 2-way interactions | 14 | 0.09010 | 0.006436 | 2.35 | 0.113 | | 8 | 0.02661 | 0.003327 | 1.22 | 0.394 | | 2 | 0.04149 | 0.020743 | 7.58 | 0.014 | | 4 | 0.02200 | 0.005500 | 2.01 | 0.186 | Error | 8 | 0.02188 | 0.002735 | | | Total | 29 | 0.66215 | | | |
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(b) Model summary |
| | R-sq | R-sq (adj) | R-sq (pred) |
| 0.0522972 | 96.7% | 88.02% | 53.53% |
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