Table 3.
Proportions of variables.
| Variable | Percentages |
||
|---|---|---|---|
| Low Level | Intermediate Level | High Level | |
| SD% | 20 | 35 | 50 |
| NF% | 0.25 | 0.50 | 0.75 |
| WC | 0.45 | 0.50 | 0.55 |
WC = Water cement ratio.
Proportions of variables.
| Variable | Percentages |
||
|---|---|---|---|
| Low Level | Intermediate Level | High Level | |
| SD% | 20 | 35 | 50 |
| NF% | 0.25 | 0.50 | 0.75 |
| WC | 0.45 | 0.50 | 0.55 |
WC = Water cement ratio.