: Categorical counts, such as "pass/fail" or the number of surface scratches. Typical Implementation Steps SPC-3 | Statistical Process Control - AIAG
: To prioritize the most significant quality issues. Statistical Process Control, Reference Manual
: The primary tool for monitoring stability over time. : Categorical counts, such as "pass/fail" or the
: Random, inherent fluctuations in a stable process. : Categorical counts
: Specific, identifiable errors or changes that signal a process is out of control. The Seven Quality Tools :
: For visualizing the distribution and spread of data.
: 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 :