7 Quality Tools

The 7 quality tools are used for capturing, organizing, visualizing, and analyzing processes and their errors with the goal of identifying, assessing, and deriving corrective actions for problems. The 7 quality tools (Q7) include: (1) Error/Data Collection List – Helps in recognizing patterns and regularities. (2) Quality Control Chart – Used for visualizing the processes being examined. (3) Histogram – Represents data distributions. (4) Pareto Chart – Used for analyzing and prioritizing errors. (5) Brainstorming – A creative technique for generating ideas. (6) Ishikawa Diagram (Cause-and-Effect Diagram) – Used for problem analysis. (7) Correlation Diagram – Helps in identifying dependencies. The tools 1 through 3 are used for problem identification, while tools 4 through 7 are employed for problem analysis.