From: Effect of Mixing and Placing in Hot Weather on Hardened Concrete Properties
Groups | Count | Mean (%) | Variance (%) |
---|---|---|---|
All, limestone | 13 | 12.55 | 2.713 |
All, river rock | 12 | 12.58 | 0.540 |
All, hot | 13 | 13.01 | 1.474 |
All, cold | 12 | 12.08 | 1.423 |
All, top | 13 | 12.31 | 1.350 |
All, mid | 12 | 12.83 | 1.874 |