This template mainly introduces the seven methods of quality control, namely, checking and collecting data, layering for analysis, ranking and focusing on key points, histogram first distribution, causal tracing, spreading to see correlation, and control to find anomalies. The checklist is a tool for data sorting and preliminary analysis using statistical tables. Its format can be varied. Although this method is relatively simple, it is practical and effective. It is mainly used for records or spot checks. You can learn about Q7 with this template and share it with everyone, I hope it will help you!
