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Statistical Process Control for Dummies

If learning complex math, arithmetic, or statistics isn’t needed then why introduce Statistical Process Control or SPC for short? SPC simply put is a quality control method employing statistical methods. Statistical Process Control is applied in order […]

z-table & z-score

Voice of the Process (VOP)

The Voice of the Process (VOP) encompasses the entire range of the output (Y) of a process when all of the X’s in the Y = f(x) equation have varied their full range. Voice of […]

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Y=f(x) Defined – Six Sigma Glossary of Terms

 Y=f(x) is the mathematical relationship that identifies the inputs (X’s) that need to be controlled and the levels they need to be set at to achieve the desired output (Y) to meet customer requirements. Y=f(x) […]