The 7 Basic Tools of Quality (or 7 QC Tools) is a collection of data analysis and problem solving tools used in continuous improvement.
They include:
* Cause and effect diagram (or Ishikawa diagram or fishbone diagram)
* Control charts
* Pareto charts
* Scatter diagram
* Histogram
* Check sheet
* Flow charts
Machines lose productivity in a variety of ways, known as the 6 big losses.