Use defect frequency and customer impact to choose which process defect to analyze first.
Payroll received 96 correction tickets in a month and the proposed fix is broad retraining for every payroll specialist. DMAIC Analyze: group defects, count frequency, check customer impact, and locate where the defect enters the value stream. The common trap is to train everyone on everything. That spreads effort across the whole defect list, makes the team feel busy, and leaves the highest-leverage cause untouched. Step 1 Group the 96 tickets into categories: missing cost center 39, wrong effective date 21, duplicate employee record 14, tax code mismatch 12, other 10. Categories should reflect process mechanisms, not vague labels like…
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