Skip to main content
. 2017 Dec 14;9(6):439–446. doi: 10.4047/jap.2017.9.6.439

Table 2. Results of two-way ANOVA test.

Variable (Source) Sum of squares df Mean squares F P
Material type 34700.641 3 11566.880 68.433 .000*
Surface treatment 57470.113 4 14367.528 85.003 .000*
Interaction 34542.117 12 2878.510 17.030 .000*
Error 30424.294 180 169.024
Total 1133746.487 200

*Significantly different at P < .001.