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(二)P管理图1.管理图原理管理图(又称控制图)是用统计方法进行质量控制的核心方法。利用管理图对过程进行控制监督,可以及时发现由于异常因素引起的质量波动,并采取相应的纠正措施。管理图的种类很多,适用于不同过程的质量控制,物资管理工作方面最常用的是 P 管理图。P管理图又称不合格品率管理图,是通过测定样品的不合格品,在 P 管理图上打点以实现质量控制的方
(B) P management Figure 1. Management diagram The principle of management diagram (also known as control chart) is the core method of quality control using statistical methods. The use of management charts to control the process, timely detection of quality fluctuations due to abnormal factors, and take appropriate corrective measures. There are many types of management charts, which are applicable to the quality control of different processes. The most commonly used material management work is the P management chart. The P management chart, also known as the unqualified product rate management chart, is used to measure quality of products by measuring samples of unqualified products and managing them on the P management chart.