Understanding Statistical Process Control |
Contents
Chapter One Two Approaches to Variation 1 | 1 |
Chapter Two Summarizing Data | 21 |
Chapter Three Shewharts Control Charts | 37 |
Copyright | |
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Common terms and phrases
adjustment amount Area of Opportunity Assignable Causes Attribute Average Chart Average Range batch Cavity central line characterize collected compute conforming consider consistent continual control chart control limits cost Count defined detect dispersion display distribution effective EXAMPLE Exercise fall formulas four function given Grand Average histogram hour improvement increase Individual Values interval lack of control less Loss Lower Mean measurement Median Moving Range Natural Process Limits nonconforming np-Chart observations obtained operation organization out-of-control parameter percent period plot possible probability problem Process Aim Range Chart ratio reasonable represent result Rule running record sample Shewhart's shown in Figure shows sigma units Sigma(X simple Socket Specification Specification Limit stable Standard Deviation statistical control steps Subgroup Averages Subgroup Ranges Table techniques tion Tokai Rika units Upper variation weights XmR Chart