: For visualizing the distribution and spread of data.
: 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.
: Random, inherent fluctuations in a stable process. 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
: The primary tool for monitoring stability over time. : For visualizing the distribution and spread of data
: Unlike traditional inspection that filters out defects after production, the manual emphasizes a proactive system to identify and eliminate causes of variation during the process.
: Continuous measurements like length, weight, or temperature. The is a foundational resource, primarily developed by
: 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 :