. 2015 Mar;16(1):37–41.

Table 1.

The means and standard deviations of compressive strengths (in MPa) of the experimental groups. Groups with the same letters were not significantly different.

Group	Mean	Standard deviation
Group 1	3.6000^a	0.96749
Group 2	4.0220^a	1.32033
Group 3	-	-