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P Chart Definition and Explanation PDF | Download eBooks

Learn P Chart definition in total quality management with explanation to study “What is P Chart”. Study p chart explanation with TQM terms to review total quality management course for online MBA programs.

P Chart Definitions:

  1. P chart is a process chart used to graph the proportion of items in a sample that are defective.

    Managing Quality: Integrating the Supply Chain by S. Thomas Foster



  2. Chart that monitors the process fraction nonconforming is called the p chart.

    Introduction to Statistical Quality Control by Douglas C. Montgomery



P Chart Explanation:

P chart is a type of attribute control chart which is used to determine the proportion non-conforming in a sample. The sample size of each subgroup in case of p charts can be different but it is usually better to keep the subgroup size constant. P charts are sometimes difficult to understand due to the use of proportion rather than an integer number. The subgroup size to make a p chart can be between 50 and 100. Control limits for p chart are established using the already defined formula. Applications where p charts can be used are incorrect orders, errors in a form, late deliveries etc.

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