School of Chemical Engineering and Advanced Materials

CONTENTS Foreword What is SPC ? Tools for SPC Flow charts   Run charts   Pareto charts   Cause and effect diagrams   Frequency histograms   Control charts common cause variations     special cause variations     how they work     types of charts     assumptions     properties of the normal PDF     interpretation     hypothesis testing     run rules for Shewhart charts     CUSUM charts     relative merits Process Capability concepts   relative capability   capability index   performance index   the message Summary References Copyright Information		Tools for SPC Commonly used tools in SPC include Flow charts Run charts Pareto charts and analysis Cause-and-effect diagrams Frequency histograms Control charts Process capability studies Acceptance sampling plans Scatter diagrams Each tool is simple to implement These tools are usually used to complement each other, rather than employed as stand-alone techniques
		Written by: M. Tham