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Table 3

Linear regression between surface roughness standard determined from the stylus instrument and PS technique results under different slant angles.

Slant angle (q) Linear regression model Coefficient of determination
37.5° Rastd = 62406RaPS−17.42 0.90
45° Rastd = 126195RaPS−24.78 0.98
52.5° Rastd = 169334RaPS−26.84 0.85

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