what is xy and qc and explain
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Quality control (QC) is a process through which a business seeks to ensure that product quality is maintained or improved. ... This is done by training personnel, creating benchmarks for product quality and testing products to check for statistically significant variations
Explanation:
An x-y axis, also known as a cartesian coordinate system or a coordinate plane, is a two-dimensional plane of points defined uniquely by a pair of coordinates. ... The horizontal line, then, is known as the x axis and measures the distance left or right from the vertical line.
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