A modified EWMA signed rank control chart for enhanced quality monitoring in the automobile industry
Control charts serve as crucial tools in the statistical process control (SPC) toolkit, playing a vital role in monitoring process parameters to enhance the quality of final products (cf. Montgomery 1 ...
This research designed a distribution-free mixed exponentially weighted moving average-moving average (EWMA-MA) control chart based on signed-rank statistic to effectively identify changes in the ...
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