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Statistical Process Control, Reference Manual May 2026

: To prioritize the most significant quality issues.

: Includes Cause-and-Effect diagrams, Check Sheets, Scatter Diagrams, and Flowcharts. Data Classification : Statistical Process Control, Reference Manual

: The primary tool for monitoring stability over time. : To prioritize the most significant quality issues

: Random, inherent fluctuations in a stable process. Statistical Process Control, Reference Manual

: Categorical counts, such as "pass/fail" or the number of surface scratches. Typical Implementation Steps SPC-3 | Statistical Process Control - AIAG

The is a foundational resource, primarily developed by the Automotive Industry Action Group (AIAG) , that provides standardized guidelines for monitoring and improving manufacturing quality. Overview of the SPC Reference Manual