Pre Control Notes: Definitions & Explanations PDF | Download eBooks

Study Pre Control lecture notes PDF with total quality management definitions and explanation to study What is Pre Control?. Study pre control explanation with TQM terms to review total quality management course for online MBA programs.

Pre Control Notes:

A technique used to monitor process is called pre control. Pre control is used to detect small changes in the process that result in non-conforming or defective products. Pre control technique does not make use of control charts rather it uses only normal probability distribution for variation detection. The changes in the process mean or standard deviation can be identified using pre control. An assumption for the pre control operation is used which states that 1% to 3% non-conforming products can be accepted and the process capability ratio must have a minimum value of 1.15. Although pre control is a simple technique to use yet it has some disadvantages. The disadvantages include very small sample sizes which are not able to detect big changes or shifts, no information for keeping the process in control etc.

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