Assemble any three (3) suitable Lean Six Sigma techniques that can be used to identify root causes of a possible quality problem in this organisation. Your discussion shall address the following aspects:
(a) Define a quality problem in this organisation. (Hint: Use the approach of defining a problem statement as covered in Section 12.1: Project Charter).
(b) With the aid of suitable illustrations, select any three (3) Lean Six Sigma techniques from this given list and propose how these selected techniques can be used to identify root causes of this quality problem:
- Process mapping
- Spaghetti diagram
- Pareto chart
- Fishbone diagram
- Interrelationship digraph
- Scatter diagram.