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LEAN-SIX-SIGMA5 MIN READ

Build a Pareto From Messy Defect Notes

Use Pareto analysis to convert messy defect notes into a focused vital-few improvement target.

A support export has 212 complaint notes with inconsistent labels. The team wants to fix everything, but the VP only gave one analyst afternoon. Use Pareto analysis to convert messy defect notes into a focused vital-few improvement target. The common trap is treating the visible symptom as the root cause, then celebrating activity instead of verified improvement. Clean labels Group raw notes into mutually exclusive defect categories, preserving an "unclear" bucket instead of forcing guesses. Bad categories create false precision; clean labels make frequency meaningful. Count and rank Count each category and sort from largest to smallest, then add cumulative…

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