Table 3.
Analysis of variance of a screening model for effecting variables on antibacterial activity tested against K. pneumonia using PBD.
| Source | DF * | Seq SS | Contribution | Adj SS | Adj MS | F-Value | P-Value |
|---|---|---|---|---|---|---|---|
| Model | 4 | 676.58 | 97.74% | 676.58 | 169.146 | 75.68 | 0 |
| Linear | 4 | 676.58 | 97.74% | 676.58 | 169.146 | 75.68 | 0 |
| Incubation time | 1 | 35.02 | 5.06% | 35.02 | 35.021 | 15.67 | 0.005 |
| Inoculum size | 1 | 38.52 | 5.56% | 38.52 | 38.521 | 17.23 | 0.004 |
| Yeast ext. | 1 | 63.02 | 9.10% | 63.02 | 63.021 | 28.2 | 0.001 |
| Elicitation | 1 | 540.02 | 78.01% | 540.02 | 540.021 | 241.61 | 0 |
| Error | 7 | 15.65 | 2.26% | 15.65 | 2.235 | ||
| Total | 11 | 692.23 | 100.00% |
| Coded Coefficients | ||||||
|---|---|---|---|---|---|---|
| Term | Coef | SE Coef | 95% CI | T-Value | P-Value | VIF |
| Constant | 8.292 | 0.432 | (7.271, 9.312) | 19.21 | 0 | |
| Incubation time | 1.708 | 0.432 | (0.688, 2.729) | 3.96 | 0.005 | 1 |
| Inoculum size | 1.792 | 0.432 | (0.771, 2.812) | 4.15 | 0.004 | 1 |
| Yeast ext. | 2.292 | 0.432 | (1.271, 3.312) | 5.31 | 0.001 | 1 |
| Elicitation | −6.708 | 0.432 | (-7.729, −5.688) | −15.54 | 0 | 1 |
aDF: Degrees of Freedom, Seq SS: Sequential Sum of Squares, Contribution: Contribution to the model, Adj SS: Adjusted Sum of Squares, Adj MS: Adjusted Mean Square, F-Value: F-Statistic, P-Value: Probability Value, Coef: Coefficient estimate, SE Coef: Standard error of the coefficient estimate, 95% CI: 95% confidence interval for the coefficient estimate, T-Value: The T-value for the hypothesis test of the coefficient being 0, VIF: Variance Inflation Factor.