Table 2.

Statistical analysis of the data used in this study.

	Dry Density	Water/Cement	Sand/Cement	Compressive Strength (28 days)
Notation	D	W/C	S/C	CS
Unit	(kg/m3)	-	-	(MPa)
Role	Input	Input	Input	Output
Min	430.00	0.26	0.00	0.60
Average	1566.33	0.44	1.20	22.94
Median	1639.50	0.40	1.00	24.50
Max	2009.48	0.83	4.29	48.88
SD	369.49	0.12	0.67	13.42
CV (%)	23.59	0.28	0.56	0.59