Page 195 - Lean six sigma demystified
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174        Lean Six Sigma  DemystifieD



                                People                     Process/methods
                               Why?                           Why?
                             Why?                           Why?
                          Why?                           Why?
                        Why?                            Why?                       Problem statement
                                                                                    During (time), Pareto
                                                                                    accounted for 50% of
                                                                                    problem which was 3X
                              Why?                  Why?             Why?           higher than desired and
                                                                                    caused customer
                          Why?                   Why?              Why?             dissatisfaction.
                        Why?                   Why?             Why?
                      Why?                  Why?             Why?


                  Environment             Materials           Machines
                                      Ishikawa fishbone Diagram
                                      cause effect analysis

                 FIGURE 5-27 • Traditional fishbone diagram.



































                 FIGURE 5-28 • Step-by-step fishbone diagram.
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