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Statistical Process Control (SPC) - Statistical evaluation of the output…
Statistical Process Control (SPC) - Statistical evaluation of the output of a process during production
Variations and Control
Random variation: Natural variations in the output of process, created by countless minor factors
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Out-of-control
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increase of standard deviation, σ = 2
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Types of Control Charts
Control Charts for Variables - for continuous
measures such as temperature, volume, etc.
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Control Charts for Attributes: for discrete measures such as number of complaints, scratches, etc
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