Control chart

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Control chart is a type of time-based trend analysis tool used within Statistical Process Control. It is also called a Process Behavior chart, renamed  by Donald Wheeler.

There are a few popular control charts:

Attribute data

  • Proportions chart (p chart)
  • Nonconforming chart (np chart)
  • Units nonconforming chart (u chart)
  • Subgroup nonconforming chart (c chart)

Variable data

  • Individuals and Moving Range chart (I-MR or ImR and X-MR or XmR)
  • Average and Range chart (X-bar and R)
  • Average and Standard Deviation chart (X-bar and S)
  • Estimated Weighted Moving Average (EWMA)
  • Cumulative Sum chart (CUSUM)

Free Templates

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