?The following data were considered in Quality Progress [“Digidot Plots for Process
Chapter 15, Problem 15.S19(choose chapter or problem)
The following data were considered in Quality Progress [“Digidot Plots for Process Surveillance” (1990, Vol. 23(5), pp. 66–68)]. Measurements of center thickness (in mils) from 25 contact lenses sampled from the production process at regular intervals are shown in the following table.
Construct an EWMA control chart with \(\mu_{0}\) = 0.4, \(\lambda\) = 0.5, and L = 3 and compare to an individuals chart with 3-sigma limits.
Text Transcription:
Mu_0
lambda
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