Sivasamy, R.; Jayanthi, S. - In: Stochastics and Quality Control 18 (2003) 1, pp. 91-100
Abstract Some recent studies have proved that charts with variable sample size ( VSS ) detect moderate or larger shifts in normal and stable processes more quickly than the Standard Shewhart ( SS ) chart. But the statistical efficiency of charts, the speed at which they detect smaller shifts of...