Table 9 The variance analysis on 7- and 28-day compressive strength.
Sources of variation | 7-day compressive strength | 28-day compressive strength | ||||||
|---|---|---|---|---|---|---|---|---|
SS | DF | F | P | SS | DF | F | P | |
A(L/FA) | 193.1 | 3 | 0.257 | 0.855 | 160.8 | 3 | 0.218 | 0.882 |
B(SHC) | 2133.2 | 3 | 7.964 | 0.003 | 2239.3 | 3 | 10.135 | 0.001 |
C (SS/SH) | 731.3 | 3 | 1.183 | 0.357 | 616.6 | 3 | 0.986 | 0.432 |
Error | 3.654 | 3 | 1.0 | 0.5 | 3.604 | 3 | 1.0 | 0.5 |