Question

 Explain the purpose of control charts in Statistical Quality Control (SQC). Differentiate between a pchart and a c-chart with respect to the type of data they monitor.

 

Year Q1 Q2 Q3 Q4
2022 30 40 36 44
2023 34 46 40 50
2024 38 52 46 56
16 Sep 2025
Answer :
Word Count : 294
Control charts are a fundamental tool in Statistical Quality Control (SQC) used to monitor, control, and improve process performance over time. Their primary purpose is to distinguish between common cause variation, which is inherent in the process, and special cause variation, which arises due to specific, identifiable factors. By ________ ______ ____ _________ ___.
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