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In quality control, statistical process control (SPC ) is often employed to analyze the process capability...

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Operations Management

In quality control, statistical process control (SPC ) is oftenemployed to analyze the process capability in manufacturing orservice operations. Explain the following with an example each:

  • What is a p chart  ?
  • What is a c chart ?

There are 3 machines in your factory which can produce a ruler.The rulers as produced has a spread in length between 12.5 thru12.4 inch.

Given the standard deviation of the 3 machines are as follows,calculate the process capability of each machine. Which of the 3machines has the best process capability index ?

Answer & Explanation Solved by verified expert
4.3 Ratings (966 Votes)
A p chart is a control chart for measuring process variability when the data being measured is attribute data An attribute data refers to discrete quantity values such as count proportion number etc In this case a p chart usually utilizes    See Answer
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