Quality
Pareto Analysis
80/20 analysis · pareto chart
TL;DR
A ranked-frequency chart that highlights the 'vital few' causes responsible for the majority of defects, deviations, or complaints.
Pareto analysis ranks problem categories by frequency or cost so investigators focus on the ~20% of causes producing ~80% of impact. Used in CAPA prioritisation, supplier scorecards, complaint review, and management review.
V5 builds Pareto views directly off the deviation, complaint, and NCR streams so the 'vital few' surface without a separate analytics step.
Regulatory anchors
- ICH Q9
- ISO 9001:2015
Industries that live with this
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