A3 data analysis and team composition

Learning objectives

• Explain the purpose of a3 data analysis and team composition in garment operations.
• Describe when and how to apply a3 data analysis and team composition on the shop floor.
• Identify common mistakes and how to avoid them.

Core idea

A3 evidence must answer the decision with appropriate time plots, Pareto, stratification, maps and cause validation; team membership follows the work.

Method

Define unit/denominator; show current versus target; distinguish fact/inference; include process owner and affected people; manage conflicts. More charts do not mean stronger logic.

Garment-factory example

Include washing operator, lab, chemical store, maintenance, quality, planning and technical roles for shade variation.

Method

1. Define unit/denominator;
2. show current versus target;
3. distinguish fact/inference;
4. include process owner and affected people;
5. manage conflicts

Common mistakes

• More charts do not mean stronger logic