7 QC Tools

The 7 QC Tools are not just techniques—they're the language of problem-solving. These tools empower teams to make decisions based on data, not guesses.

Here are quick reference for 7 QC tools:

1. Check Sheet – Collect and analyze data easily.
2. Histogram – Visualize data distribution.
3. Pareto Chart – Focus on the vital few causes (80/20 rule).
4. Cause and Effect – Identify root causes.
5. Control Chart – Monitor process stability.
6. Scatter Diagram – Analyze relationships between variables.
7. Flow Chart – Map out the process clearly.

These tools are simple, but when used effectively, they can transform operations and drive continuous improvement.