The 7 QC (Quality Control) tools are simple graphical and statistical tools that are used for:
- Problem-solving to avoid recurrence of problems or defects.
- Process Improvement to increase productivity and efficiency
The list of 7 QC tools is:
- Check Sheet
- Fishbone Diagram
- Histogram
- Pareto Chart
- Control Chart
- Scatter Diagram
- Stratification Diagram (Some lists replace stratification with Process Flowchart).

