Resources

In Lean Six Sigma, solving problems effectively means going beyond the symptoms and uncovering the true source of variation or waste. This is where Root Cause Analysis (RCA)  plays a critical role. According to ASQ, a root cause  is “a factor that caused a nonconformance and should be permanently eliminated through process improvement” (ASQ, n.d.). RCA, therefore, is not just about fixing what is broken—it’s about preventing recurrence by addressing the core issue  that trigg

In Six Sigma projects, data drives decisions . One of the most powerful yet simple tools to understand your data is the histogram . Whether you're trying to reduce defects, improve cycle time, or enhance customer satisfaction, a histogram can provide instant visual insight into how your process behaves. This blog will walk you through what a histogram is, how to use it in Six Sigma, and why it’s indispensable during process improvement initiatives. What is a Histogram? A hist

In any process, not all problems are created equal. Some issues cause far more pain, cost, or delays than others. So how do you prioritize which ones to fix first? That’s where the Pareto Chart  comes in. Named after Italian economist Vilfredo Pareto , this simple yet powerful tool helps you focus on the “vital few” causes that create the majority of problems —instead of spreading your energy across everything. It’s a cornerstone of Lean Six Sigma and quality improvement proj

When something goes wrong in a process—defects, delays, rework—the natural tendency is to jump to solutions. But in Lean Six Sigma, the Analyze phase  of DMAIC reminds us to pause, dig deeper, and understand why  the problem exists before attempting to fix it. What Is the Analyze Phase? The Analyze phase is the third step in the DMAIC (Define-Measure-Analyze-Improve-Control)  framework. Its purpose is to: Identify the root causes  of problems Validate them with data Prioritiz