In a EWMA control chart, we monitor the behavior of test statistic Z = x, +(1)Z,...
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In a EWMA control chart, we monitor the behavior of test statistic Z = x, +(1)Z, where x, is the individual observation at the i-th sample. Let 2 = 0.1 and i=10. What is the weight of X4 in Z10 ? In a EWMA control chart, we monitor the behavior of test statistic Z = x, +(1)Z, where x, is the individual observation at the i-th sample. Let 2 = 0.1 and i=10. What is the weight of X4 in Z10 ?
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