| Source of Variation | Sum of Squares | Degrees of Freedom | Mean Square | Fo | fcritical | P value | Significant |
| Frother | 7.87 | 3 | 2.62 | 1.79 | 2.93 | 0.172 | No |
| Error | 40.96 | 28 | 1.46 |
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| Total | 48.83 |
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