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Lean Six Sigma in Manufacturing
·
Module 3
Quantifying Process Performance
1
Establishing Process Baselines from Historical Data
Establish process baseline performance metrics using historical manufacturing data.
2
Assessing Normality: Probability Plots & Statistical Tests
Assess normality of process data using probability plots and statistical tests (e.g., Anderson-Darling).
3
Box-Cox Transformation for Capability Analysis
Apply a Box-Cox transformation to non-normal data to enable valid capability analysis.
4
Process Capability Indices: Cp, Cpk, Pp, Ppk
Calculate and interpret Cp, Cpk, Pp, and Ppk indices to assess process capability against specifications.
5
DPMO and Sigma Level Calculation
Calculate Defects Per Million Opportunities (DPMO) and convert to a Sigma level.
Previous module
Measurement System and Data Integrity
Next module
Hypothesis Testing for Root Cause Analysis