Seven tools of quality

Seven tools of quality,

Definition of Seven tools of quality:

  1. Tools to understand and improve the production process. Tool 1: Visual representation of the root causes and sub-causes of the cause and effect diagram that lead to the effect or symbol, also known as the Fish Bone Diagram (for its shape) or the Ishkawa Diagram (for its discoverer) is called. Tool 2: Custom control sheet data matrix (matrix) table for easy recording and interpretation of test results. Tool 3: A visual representation of the control graph by comparing the actual output and the default control limits helps to identify the causes of the change, also known as Graph C. Tool 4: View a flow chart showing the relationship between the expected Performance over time and actual performance Tool 5: Histogram diagram of the vertical sidebar showing the frequency distribution and display patterns that are hidden in the number table and sometimes This is changed or completed with the Ghent chart. Tool 6: The Perito chart, which is based on the Perito principle (a small percentage of the items that make up a group represent a large part of its value or effect), classifies the causes from the most important to the least significant. Tool 7: The scatter plot shows the relationship between two variables, the variable being predicted (dependent variable) is on the vertical axis (Y) and the variable (independent variable) used for prediction is on the horizontal axis. Is (x axis).

Meaning of Seven tools of quality & Seven tools of quality Definition