| 实验号 | 因素 | 防垢率/%(CaCO3) | ||||
| A | B | C | D | E | ||
| 1 | 1 | 1 | 1 | 1 | 1 | 68.20 |
| 2 | 1 | 2 | 2 | 2 | 2 | 75.73 |
| 3 | 1 | 3 | 3 | 3 | 3 | 80.08 |
| 4 | 1 | 4 | 4 | 4 | 4 | 63.12 |
| 5 | 2 | 1 | 2 | 3 | 4 | 72.50 |
| 6 | 2 | 2 | 1 | 4 | 3 | 71.61 |
| 7 | 2 | 3 | 4 | 1 | 2 | 76.00 |
| 8 | 2 | 4 | 3 | 2 | 1 | 62.33 |
| 9 | 3 | 1 | 3 | 4 | 2 | 82.46 |
| 10 | 3 | 2 | 4 | 3 | 1 | 79.20 |
| 11 | 3 | 3 | 1 | 1 | 4 | 72.89 |
| 12 | 3 | 4 | 2 | 2 | 3 | 77.60 |
| 13 | 4 | 1 | 4 | 2 | 3 | 80.42 |
| 14 | 4 | 2 | 3 | 1 | 4 | 83.91 |
| 15 | 4 | 3 | 2 | 4 | 2 | 82.25 |
| 16 | 4 | 4 | 1 | 3 | 1 | 73.01 |
| 1水平平均值k1 | 0.7178 | 0.7589 | 0.7143 | 0.7253 | 0.7069 |
|
| 2水平平均值k2 | 0.7061 | 0.7761 | 0.7702 | 0.7402 | 0.7911 |
|
| 3水平平均值k3 | 0.7804 | 0.7781 | 0.7719 | 0.7620 | 0.7743 |
|
| 4水平平均值k4 | 0.7990 | 0.6901 | 0.7469 | 0.7486 | 0.7311 |
|
| 极差R | 0.0929 | 0.0880 | 0.0576 | 0.0367 | 0.0842 |
|
| 优方差 | A4 | B3 | C3 | D3‘ | E2 |
|