Table 5: The range of variables for set I.

Variable (%)MinimumMaximumMeanStandard deviationNo. of data

Time (hour)0.0030.93310.609.317939
Environment temperature (°C)11.2320.67017.391.330939
Concrete temperature (°C)8.3923.03015.633.800939
Water/cement ratio (%)50.0067.00053.006.000939
Aggregate weight (kg)44.0091.45882.2717.430939
Diameter of specimen (cm)20.0046.00030.009.000939
Height of specimen (cm)25.0048.00040.0010.000939