Modification of Waste Aggregate PET for Improving the Concrete Properties

Table 3

Statistical analysis results for compressive strength.

Type	M10		M20		M30
	7-day	28-day	7-day	28-day	7-day	28-day
Levene statistic, value	0.248	0.135	0.313	0.077	0.130	0.383
ANOVA value	0.010	0.002	0.000	0.000	0.001	0.000
	0.402	0.498	0.901	0.905	0.913	0.934