Six Sigma PPM: Mastering Defect Reduction for Operational Excellence
One of the core metrics in Six Sigma is Parts Per Million (PPM), which quantifies the defect rate or number of flawed units in a manufacturing or service process. In its relentless pursuit of perfection, Six Sigma aims for a quality level where defects barely happen—no more than 3.4 defects per million chances (DPMO). This […]