Table-II.
Test of Normality of Data.
| Data Group | Shapiro-Wilk Test | |
|---|---|---|
| Statistic | p-value | |
| PMMA Direct | .989 | .995 |
| Bis-GMA Direct | .916 | .321 |
| UDMA Direct | .947 | .635 |
| PMMA Indirect | .954 | .715 |
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