CONTROL CHART under DMAIC METHODOLOGY

A Control Chart is a graph used to study how a process changes over time.

It is basically constructed under the Control phase in DMAIC methodology in Six Sigma.

A Control Chart always has a central line for the average , an upper line for the upper control limit and a lower line for the lower control limit.

These lines are determined from the historical data.

By comparing current data to these lines , you can draw conclusions about whether the process variation is consistent ( in control ) or is unpredictable ( out of control , affected by special causes of variation ).

BENEFITS OF CONTROL CHART  :-

1.)  Helps us to recognize and understand variability.

2.)  Identify special causes of variation and changes in performance.

3.)  Judge the impact of process improvement efforts.




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