Maximizing the Sustainability of Cement Utilization in Building Projects through the Use of Greener Materials

Table 7

-test assuming unequal variance, autogenous shrinkage.

	CON2	PC2
Mean	0.0	−0.01
Variance	0.00	0.00
Observations	7	7
Hypothesized Mean Difference	0
df	11
Stat.	−1.02
() one-tail	0.17
critical one-tail	1.80
() two-tail	0.33
critical two-tail	2.20