ACRONYMS
SPC
What is Statistical Process Control?
Monitors Data From Measurements of Variations at Points on the Process Map
What is a Control Chart?
A Type of Chart That Contains Both Bars and a Line Graph, Where Individual Values are Represented by Bars, and the Cumulative Total is Represented by a Line
What is a Pareto Chart?
A Documented Verification Process that the Instrument or Equipment Has Been Properly Delivered, Installed and Configured
What is IQ? (Installation Qualification)
Type of plan that defines how quality will be met
What is a Quality Plan?
DHR
What is Device History Record?
Measurable Property of a Process to the Specification, Expressed as Process Capability Index
What is Cpk?
The Answer to the Fifth Question Should Reveal the Root Cause of the Problem
What is the 5 Whys?
A Documented Verification Process in which the Specified Limits or Inputs of a Process are Tested to Confirm that the Outputs of the Process meet expectations.
What is OQ? (Operational Qualification)
The percent defective that is considered unsatisfactory, but which the consumer is willing to accept with a small probability of acceptance
What is Lot Tolerance Percent Defective?
CMM
What is a Coordinate Measuring Machine?
Measurable Property of a Process to the Specification, Expressed as a Process Performance Index
What is Ppk?
The "Ribs" of This Diagram are the 5 Ms (Manpower, Machine, Material, Method, Measurement)
What is a Fishbone Diagram?
Documented Varification Process Intended to Check that a Product Meets a Set of Design Specifications
What is Design Verification? (DV)
Operationally defined by reproducibility and repeatability
What is Precision?
ANOVA
What is Analysis of Variance?
A Measure of the Amount of Variation or Dispersion of a Set of Values
What is Standard Deviation?
The Process of Reviewing as Many Components, Assemblies, and Subsystems as Possible to Identify Potential Failure Modes and Their Causes and Effects
What is an FMEA?
Documented Verification Process Intended to Check that a Product Meets a Set of Design Specifications
What is Design Verification? (DV)
A systematic deviation from the actual value
What is bias?
SPRT
What is Sequential Probability Ratio Test?
A Measure of the "Tailedness" of the Probability Distribution of a Real-Valued Random Variable
What is Kurtosis?
A Diagram in Which a Suspected Cause is Plotted on the X-axis and the Effect is Plotted on the Y-axis
What is a Scatter Diagram? (or Scatter Plot)
Documented Varification Process Intended to Ensure a Product Meets the Operational Needs of the User
(Double Jeopardy!)
What is Dval? (Design Validation)
The resolution of measuring equipment should be at least ten times greater than this
What is the tolerance?