1. Introduced in 1926 by WALTER SHEWART, who concluded that a distribution can be transformed into normal shape by estimating mean and standard deviation. Control chart is…
Slide 1Statistical Process Control Using ColorMetrix (.mdb) and Minitab for Windows (.mtw) Presented by Howard Nelson, Ed.D ColorMetrix 4th Annual User Group Meeting August…
Slide 1Control Charts for Variables EBB 341 Quality Control Slide 2 Variation There is no two natural items in any category are the same. Variation may be quite large or…
Slide 1ISEN 220 Introduction to Production and Manufacturing Systems Dr. Gary Gaukler Slide 2 6 – 2 Quality and Profit Profit = Revenue – Cost Quality impacts…
Slide 1Presented by: Dr. Husam Arman Quality management: SPC II 1 Slide 2 Histograms do not take into account changes over time. Control charts can tell us when a process…