Table 8 Statistical analysis of correctness
From: A visual tool for accessibility study of pipeline maintenance during design
Medium | Mean (%) | Std. Deviation (%) | p-value | |
|---|---|---|---|---|
2D plan drawing | 40.1 | 16.3 | 2D & 3D | 0.002* |
3D model | 56.4 | 25.3 | 2D & VAO | 0.000* |
VAO Checker | 64.3 | 24.5 | 3D & VAO | 0.139 |