Table 3 Descriptive statistics of the processed data.
Units | Symbol | Maximum | Minimum | Mean | Standard deviation | 25% | 50% | 75% | |
---|---|---|---|---|---|---|---|---|---|
Age | Days | A | 90 | 1.0 | 38.3 | 31.82 | 7.0 | 28 | 60 |
Maximum aggregate diameter | mm | Dia | 4.75 | 0.6 | 2.07 | 1.789 | 0.6 | 0.60 | 4.75 |
Metakaolin percentage | % w/w | MK/B | 30 | 0 | 13.89 | 10.10 | 5.0 | 15 | 30 |
Water-to-binder ratio | – | W/B | 0.6 | 0.36 | 0.467 | 0.057 | 0.42 | 0.46 | 0.60 |
Binder-to-sand ratio | – | B/S | 0.50 | 0.33 | 0.433 | 0.080 | 0.33 | 0.50 | 0.50 |
Compression strength | MPa | C-S | 73.10 | 6.06 | 41.78 | 12.117 | 32.05 | 43.40 | 73.1 |