"Explains how variables control charts are used to conduct a process capability study. It includes how to collect data, calculate data, calculate values, construct charts, interpret patterns and determine capability." . "SPC II masters series unit SII-2 variables" . . . . . . "Masters statistical process control" . . . "Unit 2 Variables: control charts, calculations and capability" . "Unit SII-2 variables" . "Technicomp, Inc." . . . .