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Showing posts from April, 2023

Control chart for Number of Defects (C-chart)

 Statistical quality control.: Control  chart for Number of Defects (C-chart) A C chart is a one type of chart in Statistical quality control (SQC)  to monitor the count or frequency of nonconforming items. it is particularly  used when dealing with discrete data or attribute data, where the outcomes are classified in to defective or non defectives or (conforming or nonconforming). The Primary use of c chart is to monitor the number of defects or nonconforming items in a production or manufacturing process. it helps to identify the the trend of defectives in a process to take decision and action regarding the production process. this allows the continuous improvement in the production process.  A C chart is also useful   for tracking and monitoring the occurrence of  defects over  a time. it allows to identify periods or specific factors that contributes to increasing number of  defects. The C chart helps to evaluate the effectiveness of...