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    • Nonparametric Double EWMA Control Chart for Process Monitoring 

      Riaza, Muhammad; Abbasib, Saddam Akber
      In monitoring process parameters, we assume normality of the quality characteristic of interest, which is an ideal assumption. In many practical situations, we may not know the distributional behavior of the data, and ...
      Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Estadística.