Quality tools

Quality tools

1. Histogram

   • Representation: Adjacent bars, intervals.
   • Analysis: Variation, dispersion, patterns.
   • Frequency: Occurrences, quantities.
   • Data: Measurements, samples.
   • Objective: Analyze data distribution.

2. Pareto Chart

   • Objective: Prioritize problems.
   • Principle: 80/20 rule.
   • Identification: Defects, failures, errors.
   • Analysis: Frequency, percentages.
   • Representation: Bars, cumulative line.
   • Results: Priorities, improvement.

3. Poka-Yoke

   • Objective: Prevent mistakes.
   • Prevention: Human errors, defects.
   • Detection: Sensors, alerts.
   • Control: Devices, mechanisms.
   • Benefits: Safety, efficiency, quality.

4. Deming Cycle (PDCA)

   • Objective: Continuous improvement.
   • Plan: Goals, problems, strategies.
   • Do: Execution, testing, actions.
   • Check: Results, indicators, evaluation.
   • Act: Corrections, standardization, improvement.

5. Quality Circles

   • Purpose: Workplace improvement.
   • Members: Employees, small groups.
   • Process: Discussions, brainstorming, analysis.
   • Solutions: Proposals, corrective actions.
   • Outcome: Cooperation, efficiency, employee participation