Control charts lean six sigma
Control charts are an essential tool of the Lean Six Sigma methodology. After the upper and the lower control levels are inserted, a control chart is generated to map the changes. After the upper and the lower control levels are inserted, a control chart is generated to map the changes. Like all control charts, a p-chart is essentially a time chart and contains upper and lower control limits and a center line which is the average proportion defective. With a standard p-chart, the sample size (n) is total for the measurement period. This means that the upper and lower control limits will vary based on the sample size. Lean Six Sigma Black Belt Certification Requirements - IASSC Body of Knowledge Control Chart Used to track and monitor the mean and/or variation of a process over time. Control charts are used to notify the team if data in a process is outside the control limits. The first control charts were developed by Dr. Shewhart in 1924.