Prediction of the Compressive Strength of Concrete Admixed with Metakaolin Using Gene Expression Programming

Table 3

Descriptive statistics of the dataset.

Parameters	Minimum	Maximum	Mean	Standard deviation
Cement (kg/m^3)	251.47	414.00	325.2270	43.67359
Metakaolin (kg/m^3)	0.00	82.80	36.1377	26.42325
Fine aggregate (kg/m^3)	573.50	670.80	623.2300	32.57510
Coarse aggregate (kg/m^3)	1147.02	1341.20	1246.4033	65.04548
Water (kg/m^3)	134.16	229.40	179.8017	30.76959
Compressive strength (N/mm^2)	13.00	25.66	19.5900	3.57779