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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2015
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Article
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Tab 5
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Research Article
Surface Roughness Models and Their Experimental Validation in Micro Milling of 6061-T6 Al Alloy by Response Surface Methodology
Table 5
Analysis of variance for surface roughness.
Source
Sum of squares
Mean square
-value
-tab
Regression
9
0.376
0.041
7.06
5.35
Residual error
9
0.0532
0.006
Total
18
0.675
7.06 > 5.35