33 articles for “statistical quality control”

Research ArticleOpen accessAll words, across the recordAnalysis of Leptobarbus hoevenii in Control Environment at Natural LakesMohd Khairul Amri Kamarudin, Mushrifah Idris, Mohd Ekhwan TorimanLeptobarbus hoevenii or its common name Ikan Jelawat is a high-value fish from family Cyprinidae, genus Leptobarbus are omnivorous fish that can grow up to 60 cm long. Due to human activities and the time change, this species has been depleted in Lake Chini. As an initiative from the Malaysian government, a conservation project for this species has been carried … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 2 · 24 Jun 2013 · 8,214 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordDerivation of the Limits for Control Chart Using the Median Absolute Deviation for Monitoring Non-Normal ProcessK. S. Adekeye, P. I. AzubuikeProblem statement: The Shewhart and S control charts, in the literature, were combined to evaluate the stability of a process. These charts were based on the fundamental assumption of normality of the quality characteristics under investigation. Approach: In practice, the normality assumption was often violated by real life data, therefore, use of the Shewhart and S control charts on real … …Journal of Mathematics and Statistics, Vol. 8, Issue 1 · 24 Dec 2011 · 8,435 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordStatistical Analysis of Auto Dilution Vs Manual Dilution Process in Inductively Coupled Plasma Spectrometer TestsFrederick Rich, M. Affan BadarGregory Poole Equipment Company is the Caterpillar Dealer in eastern North Carolina which sells and services anything that Caterpillar Incorporated manufactures. One value added service provided by this company is fluid analysis. This service consists of 22 separate tests on engine oil, power train lubricants, hydraulic oils, coolants and fuels. One particular test performed in this suite of tests is … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 3 · 17 Aug 2016 · 7,815 accessesView PDF Cite