What Is Six Sigma, Anyway? Six Sigma is a proven, data-driven methodology designed to eliminate defects, reduce variation, and create processes that deliver consistent, high-quality results. In simple terms, it helps you do things right the first time, every time . Key Six Sigma Concepts for Janitorial Services 1. Define What “Clean” Means The first step is getting crystal clear about what “clean” looks like to your clients. Use checklists and Standard Operating Procedures (S
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