Table 5 Analysis of variance ANOVA between the sixteen means of the T1-T16 tests and the fourteen means of the T17-T30 tests.
Technological effect | Source of variation (test numbers) | Machining period t | p-value | Statistical significance | Tests with significantly different means |
|---|---|---|---|---|---|
linear material removal Δh | T1-T16 | ≤ 64 min | 0,16695 | no | - |
roughness parameter Ra | 0,00142* | yes | T4 and T11; T4 and T16 | ||
waviness parameter Wa | 0,4657 | no | - | ||
linear material removal Δh | T17-T30 | > 64 min | 0,06603 | no | - |
roughness parameter Ra | 0,20332 | no | - | ||
waviness parameter Wa | 0,0843 | no | - |
