Table 4 ANOVA to explain changes in compressive strength among all specimens, segregated by early or late compressive strength test performance
From: Time impacts of treating pervious concrete with sodium bicarbonate
| Â | Sum of squares | Degrees of freedom | Mean square | F-statistic | P-value | Effect size (Æž2) |
|---|---|---|---|---|---|---|
Porosity | 128 | 1 | 128 | 40.9 | 1.20E-08 | 32.53% |
Late C.S. test | 27.4 | 1 | 27.4 | 8.7 | 4.15E-03 | 6.96% |
Error | 238 | 76 | 3.13 | 1 | 0.5 | Â |