Sten Westgard, Hassan Bayat, James O Westgard
Short Communications, Volume 29, February, Issue 1
KEYWORDS: Sigma metrics; Six Sigma; allowable total error
Rania El Sharkawy, Sten Westgard, Ahmed M Awad, AbdelKarem Omneya I Ahmed, El Hadidi Iman, Ahmed Gaballah, Eman Shaheen
Original Papers: Special issue on Six Sigma metrics, Volume 28, June, Issue 2
KEYWORDS: sigma; bias; coefficient of variation; harmonization; total allowable error
Sten Westgard, Hassan Bayat, James O Westgard
Review: Special issue on Six Sigma metrics, Volume 28, June, Issue 2
KEYWORDS: Six Sigma metrics; quality control frequency; OPSpecs chart; method decision chart; Westgard rules
Sten Westgard, Hassan Bayat, James O Westgard
Editorial: Special issue on Six Sigma metrics, Volume 28, June, Issue 2
KEYWORDS: Six Sigma; Sigma metrics; quality control