Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Three-way ANOVA of shear bond strength experimental data.
| Source | df | SS | MS | F-value | P-value |
|---|---|---|---|---|---|
| Tooth material | 1 | 662.6 | 662.58 | 19.64 | 0.000 |
| Base material | 1 | 577.6 | 577.61 | 17.12 | 0.000 |
| Sandblasting | 1 | 835.1 | 835.09 | 24.76 | 0.000 |
| Error | 76 | 2563.5 | 33.73 | ||
| Lack-of-fit | 4 | 247.5 | 61.88 | 1.92 | 0.116 |
| Pure error | 72 | 2316.0 | 32.17 | ||
| Total | 79 | 4638.8 |
SS= Sum of squares; MS= Mean of squares
