Table 3.

ANOVA test shows color change after 30 days’ immersion in different solutions

Material	Difference	Sum of squares	df	Mean square	F	P-value
Distilled water	Between groups	36.165	2	18.083	1.094	0.366
	Within groups	198.337	12	16.528
	Total	234.502	14
Coca-Cola	Between groups	135.311	2	67.655	9.761	0.003*
	Within groups	83.177	12	6.931
	Total	218.488	14
Tea	Between groups	158.007	2	79.004	8.465	0.005*
	Within groups	112.000	12	9.333
	Total	270.008	14

*Significant difference