In Statistical Process Control (SPC),special or Assignable Causes of Variation

question 1

Multiple Choice

In statistical process control (SPC) ,special or assignable causes of variation:

• A)are intrinsic to the process and will always be there unless the process is changed.
• B)are outside,nonrandom problems such as breakdown of machinery,material variation,or human error.
• C)have everything to do with the underlying process and can only be eliminated by changing the process.
• D)are of secondary importance in quality control procedures used to detect and eliminate variation.
• E)can be present in a process that is fully capable of meeting specifications consistently.

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