Handling estimation error in Statistical Process Control with EWMA charts
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This master thesis studies the process control analysis using control charts. It starts with a detailed presentation of the basic types of control charts, with a special focus on the EWMA control chart. An excessive examination is performed on the error arising when the unknown process distribution is being estimated and on ways of eliminating this error. More precisely, the control limits are being adjusted with two different ways and the results are being reviewed. Finally, the theoretical results are applied on data from a study on newborn's birth weight.
Master's thesis in Mathematics and physics