Studies on the Process Parameters of Rapid Prototyping Technique (Stereolithography) for the Betterment of Part Quality

Table 11

The % of contribution of the parameters to the impact strength along with the estimated ANOVA parameter.

Parameter “”	Sum of squares	Degree of freedom	Mean sum of squares	statistics	tabulated	% of contribution
							5.5	2	2.75	2.69		28.47
	6.44	2	3.22	3.16^*	3	33.33
	5.34	2	2.67	2.617		27.64
Error	2.04	2	1.02			10.55
Total	19.32	8	9.66

Significance at 75% confidence level ( statistics > tabulated).