Minitab - Quality Control All Topics - 2003.pdf

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Quality Control
 
Table Of Contents
Quality Planning Tools ........................................................................................................................................................... 1
Overview........................................................................................................................................................................... 1
Run Chart ......................................................................................................................................................................... 2
Pareto Chart ..................................................................................................................................................................... 5
Cause-and-Effect Diagram ............................................................................................................................................... 9
Multi-Vari Chart............................................................................................................................................................... 13
Symmetry Plot ................................................................................................................................................................ 14
Control Charts...................................................................................................................................................................... 19
Overview......................................................................................................................................................................... 19
Box-Cox Transformation................................................................................................................................................. 25
Variables Charts for Subgroups ..................................................................................................................................... 27
Variables Charts for Individuals...................................................................................................................................... 90
Attributes Charts........................................................................................................................................................... 123
Time-weighted Charts .................................................................................................................................................. 152
Multivariate Charts........................................................................................................................................................ 177
Measurement Systems Analysis........................................................................................................................................ 209
Overview....................................................................................................................................................................... 209
Gage Run Chart ........................................................................................................................................................... 211
Gage Linearity and Bias Study ..................................................................................................................................... 214
Gage R&R Study (Crossed) ......................................................................................................................................... 216
Gage R&R Study (Nested) ........................................................................................................................................... 225
Attribute Agreement Analysis ....................................................................................................................................... 229
Attribute Gage Study (Analytic Method) ....................................................................................................................... 235
Process Capability ............................................................................................................................................................. 239
Overview....................................................................................................................................................................... 239
Individual Distribution Identification .............................................................................................................................. 245
Johnson Transformation............................................................................................................................................... 250
Capability Analysis - Normal......................................................................................................................................... 253
Capability Analysis - Between/Within ........................................................................................................................... 260
Capability Analysis - Nonnormal .................................................................................................................................. 264
Capability Analysis for Multiple Variables - Normal ...................................................................................................... 269
Capability Analysis for Multiple Variables - Nonnormal................................................................................................ 278
Capability Analysis - Binomial ...................................................................................................................................... 285
Capability Analysis - Poisson ....................................................................................................................................... 289
Capability Sixpack - Normal ......................................................................................................................................... 293
Capability Sixpack - Between/Within ............................................................................................................................ 298
Capability Sixpack - Nonnormal ................................................................................................................................... 302
Index .................................................................................................................................................................................. 305
2003 Minitab Inc.
Quality Planning Tools
Overview
Quality Planning Tool
Minitab offers several graphical tools to help you explore and detect quality problems and improve your process:
Run charts detect patterns in your process data, and perform two tests for non-random behavior.
Pareto charts help you identify which of your problems are most significant, so you can focus improvement efforts on
areas where the largest gains can be made.
Cause-and-effect (fishbone) diagrams can help you organize brainstorming information about the potential causes of a
problem.
Multi-vari charts present analysis of variance data in graphical form to give you a "look" at your data.
Symmetry plots can help you assess whether your data come from a symmetric distribution.
Quality Tools
Stat > Quality Tools
Choose one of the following:
Run Chart
Pareto Chart
Cause-and-Effect
Individual Distribution Identification
Johnson Transformation
Capability Analysis
Normal
Between/Within
Nonnormal
Multiple Variables (Normal)
Multiple Variables (Nonnormal)
Binomial
Poisson
Capability Sixpack
Normal
Nonnormal
Between/Within
Gage Study
Gage Run Chart
Gage Linearity and Bias Study
Gage R&R Study (Crossed)
Gage R&R Study (Nested)
Attribute Gage Study (Analytic Method)
Attribute Agreement Analysis
Multi-Vari Chart
Symmetry Plot
2003 Minitab Inc.
1

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