Lean Six Sigma Green Belt

Refresher and Practice Questions: Improve Phase Part b

This serves as a refresher for topics covered within the Improve phase: Design of Experiments Understand the definitions of DOE:  independent and dependent variables, factors and levels, responses, treatments, errors, repetition, blocks, randomization, effects, and replication. Understand how to analyze results  Root Cause Analysis Manage root cause analysis by using a cause and effect diagrams

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23.Refresher and Practice Questions: Analyze Phase

This section serves as a refresher for topics learned within the Analyze Phase: Multi-vari chart: Understand the multi-vari chart and interpret the results for positional, cyclical, and temporal variation Correlation and linear regression: Understand the the relationship between variable and how to calculate the correlation coefficient. Know the difference between correlation and causation. Hypothesis Testing

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