The adequacy and accuracy of measurement systems is vital to the success of any data collection and analysis, and therefore critical to the overall success of any Six Sigma initiatives in an organization. Measurement systems encompass devices, procedures, and the human element of measurement, which together must produce correct measurements and comply with appropriate standards. This course examines how to analyze a measurement system to help it produce correct measurements and minimize its proportion of variability in the overall process variability.
It introduces key elements of measurement system capability using gauge repeatability and reproducibility (GR&R) studies, measurement correlation, bias, linearity, percent agreement, and precision to tolerance (P/T) ratio. This course is aligned to the ASQ Body of Knowledge and is designed to assist Green Belt candidates toward their certification and become productive members on their Six Sigma project teams.
- Topic T4 Objective O139
- distinguish between accuracy and precision
- Topic T9 Objective O142
- identify types of correlation
- Topic T14 Objective O15
- demonstrate your understanding of concepts related to measurement system analysis
- Topic T22 Objective O145
- match types of variation with corresponding characteristics
- Topic T27 Objective O152
- calculate the gauge repeatability and reproducibility value for a given set of data
- Topic T32 Objective O155
- interpret data from a given gauge repeatability and reproducibility study
- Topic T37 Objective O158
- calculate a precision to tolerance ratio
- Topic T40 Objective O41
- conduct a gauge repeatability and reproducibility study and calculate the P/T ratio, given a scenario
- Topic T48 Objective O161
- identify best practices in conducting a bias study
- Topic T53 Objective O164
- calculate and interpret bias, in a given scenario
- Topic T58 Objective O59
- conduct a bias study
- Topic T66 Objective O182
- identify attributes of linearity
- Topic T69 Objective O185
- calculate linearity and interpret a linearity plot
- Topic T76 Objective O77
- conduct a linearity study
- Topic T84 Objective O173
- recognize situations when you would use percent agreement to assess a measurement system
- Topic T89 Objective O179
- interpret numeric output from a given percent agreement analysis
- Topic T94 Objective O95
- recommend changes to a meas
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