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What is Non Random Variation in Total Quality Management? PDF | Download eBooks

Learn Non Random Variation definition in total quality management with explanation to study “What is Non Random Variation”. Study non random variation explanation with TQM terms to review total quality management course for online MBA programs.

Non Random Variation Definition

Non Random Variation Explanation

Non-random variation is also called special cause variation. This type of variation occurs when a non-random event occurs in a system which is controllable. This type of variation makes the process unstable and incapable of producing products that meet the specifications. The events that cause non-random variation can be a faulty equipment, bad quality raw material, worker's error etc. These may result in a shift in the process mean. Non-random variations must be eliminated from the process in order to produce quality products. For example, a worker comes to work tired and sleepy and mistakenly sets the cutting machine outside the required range. This will result in a lot of defective products. This error caused a non-random variation in the process and must be removed.

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