Thursday, May 01, 2025

7 QC Tools

 The First Seven Quality Tools for Process Improvement


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1. Pareto Chart: Focus on the critical few — 80% of problems often come from 20% of causes.

2. Histogram: Visualize data distribution to identify patterns, outliers, and areas for improvement.

3. Flowchart: Map out processes to uncover bottlenecks and drive better understanding.

4. Control Chart: Monitor process variation over time and predict future performance.

5. Scatter Diagram: Explore relationships between variables to uncover potential cause-and-effect links.

6. Check Sheet: Track and analyze data simply and systematically to find trends and issues.

7. Ishikawa (Fishbone) Diagram: Identify and organize potential root causes of problems using the “5 Ms” — Manpower, Machine, Material, Method, and Measurement.




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