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A CUSUM scheme with variable sample sizes and sampling intervals for monitoring the process mean and variance.
Zhang Wu
Sheng Zhang
Penghui Wang
Published in:
Qual. Reliab. Eng. Int. (2007)
Keyphrases
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sample size
variance reduction
covariance matrix
random sampling
model selection
statistical tests
confidence intervals
small sample
hypothesis tests
progressive sampling
upper bound
worst case
sampling algorithm
control charts
small samples
random samples