Statistical Process Control, Reference Manual May 2026

: Continuous measurements like length, weight, or temperature.

: The primary tool for monitoring stability over time. Statistical Process Control, Reference Manual

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 : Continuous measurements like length

: It serves as a guide for using basic and advanced statistical methods to improve the value of products and services for customers. Key Concepts from the Manual Variation Types : and General Motors

: To prioritize the most significant quality issues.

: Originally created by a task force including Chrysler, Ford, and General Motors, it standardizes the technical nomenclature and reporting formats used across the automotive supply chain.