Table 3.
Experimental structure of the BB design as generated by Minitab® 19
| Run# | Block | pH | AD | DC | ST | %R (obs.*) | %R (pred.**) | Er*** | qe (obs.*) | qe (pred.**) | Er*** |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 01 | 2 | 11(+) | 75(0) | 15(0) | 240(+) | 88.23 | 89.05 | 0.82 | 4.41 | 4.43 | 0.02 |
| 02 | 2 | 7.5(0) | 25(−) | 25(+) | 130(0) | 88.21 | 86.70 | 1.51 | 21.48 | 20.60 | 0.88 |
| 03 | 2 | 4(−) | 75(0) | 15(0) | 20(−) | 94.50 | 93.33 | 1.17 | 4.71 | 4.52 | 0.19 |
| 04 | 2 | 4(−) | 75(0) | 15(0) | 240(+) | 98.54 | 98.06 | 0.48 | 4.93 | 4.71 | 0.22 |
| 05 | 2 | 7.5(0) | 25(−) | 5(−) | 130(0) | 93.74 | 90.77 | 2.97 | 4.66 | 4.35 | 0.31 |
| 06 | 2 | 7.5(0) | 75(0) | 15(0) | 130(0) | 94.93 | 95.06 | 0.13 | 4.66 | 4.66 | 0.00 |
| 07 | 2 | 11(+) | 75(0) | 15(0) | 20(−) | 86.56 | 86.65 | 0.09 | 4.23 | 4.27 | 0.04 |
| 08 | 2 | 7.5(0) | 125(+) | 5(−) | 130(0) | 93.78 | 94.33 | 0.55 | 0.94 | 0.94 | 0.00 |
| 09 | 2 | 7.5(0) | 125(+) | 25(+) | 130(0) | 97.71 | 98.13 | 0.42 | 4.88 | 5.03 | 0.15 |
| 10 | 1 | 7.5(0) | 75(0) | 5(−) | 20(−) | 93.74 | 93.36 | 0.38 | 1.56 | 1.52 | 0.04 |
| 11 | 1 | 7.5(0) | 75(0) | 15(0) | 130(0) | 95.84 | 95.06 | 0.78 | 4.73 | 4.66 | 0.07 |
| 12 | 1 | 11(+) | 125(+) | 15(0) | 130(0) | 87.72 | 81.54 | 6.18 | 2.63 | 2.50 | 0.13 |
| 13 | 1 | 7.5(0) | 75(0) | 25(+) | 240(+) | 97.08 | 97.09 | 0.01 | 8.04 | 7.97 | 0.07 |
| 14 | 1 | 4(−) | 125(+) | 15(0) | 130(0) | 98.46 | 99.40 | 0.94 | 2.94 | 3.09 | 0.15 |
| 15 | 1 | 7.5(0) | 75(0) | 15(0) | 130(0) | 94.54 | 95.06 | 0.52 | 4.61 | 4.66 | 0.05 |
| 16 | 1 | 7.5(0) | 75(0) | 25(+) | 20(−) | 95.63 | 95.95 | 0.32 | 7.86 | 7.76 | 0.10 |
| 17 | 1 | 7.5(0) | 75(0) | 5(−) | 240(+) | 99.13 | 98.56 | 0.57 | 1.63 | 1.60 | 0.03 |
| 18 | 1 | 4(−) | 25(−) | 15(0) | 130(0) | 75.33 | 81.88 | 6.55 | 11.30 | 11.53 | 0.23 |
| 19 | 1 | 11(+) | 25(−) | 15(0) | 130(0) | 91.89 | 83.74 | 8.15 | 13.78 | 12.69 | 1.09 |
| 20 | 3 | 4(−) | 75(0) | 25(+) | 130(0) | 90.86 | 90.45 | 0.41 | 7.39 | 7.32 | 0.07 |
| 21 | 3 | 7.5(0) | 25(−) | 15(0) | 20(−) | 76.14 | 88.34 | 12.2 | 11.20 | 12.21 | 1.01 |
| 22 | 3 | 7.5(0) | 75(0) | 15(0) | 130(0) | 94.78 | 95.06 | 0.28 | 4.70 | 4.66 | 0.04 |
| 23 | 3 | 7.5(0) | 125(+) | 15(0) | 240(+) | 99.96 | 98.95 | 1.01 | 2.97 | 2.92 | 0.05 |
| 24 | 3 | 4(−) | 75(0) | 5(−) | 130(0) | 97.76 | 98.01 | 0.25 | 1.61 | 1.65 | 0.04 |
| 25 | 3 | 7.5(0) | 125(+) | 15(0) | 20(−) | 98.71 | 95.95 | 2.76 | 2.93 | 2.87 | 0.06 |
| 26 | 3 | 11(+) | 75(0) | 25(+) | 130(0) | 90.88 | 91.45 | 0.57 | 7.51 | 7.83 | 0.32 |
| 27 | 3 | 7.5(0) | 25(−) | 15(0) | 240(+) | 81.66 | 92.39 | 10.73 | 11.85 | 12.93 | 1.08 |
| 28 | 3 | 11(+) | 75(0) | 5(−) | 130(0) | 76.30 | 79.99 | 3.69 | 1.27 | 1.37 | 0.10 |
*Obs., experimental values; **Pred., predicted values following the process of response transformation. ***Er, absolute error = |(Obs − Pred.)|