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Repeatability Estimates Of Sloped Scattered Data

DOI: 10.5038/2326-3652.2.1.8

Keywords: Repeatability , Standard Deviation , Quality Control , Sloped Data

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Repeatability is the variance in data accumulated under fixed conditions. It is important for quality control as it costs both time and money to recalibrate tools and remanufacture machines. This project compares three methods for approximating the repeatability of a sloped scattered data set. The first method uses a linear approximation, the second involves rotating the data points, and the third calculates distance using right triangles. The methods are compared for both precision and ease of use.


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