Ditemukan 2 dokumen yang sesuai dengan query
Muhammad Awais
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Recently, a varied L ranked set sampling (VLRSS) scheme has been introduced in the literature for estimating the population mean. The VLRSS scheme is a cost-efficient alternative to the classical ranked-set sampling (RSS) and median RSS (MRSS) schemes. In this paper, we construct a new cumulative sum (CUSUM) control chart for efficiently monitoring the process mean using VLRSS, named the CUSUM-VLRSS chart. The CUSUM-VLRSS chart encompasses the existing CUSUM charts based on RSS and MRSS ...
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Taylor and Francis, 2018
658 JIPE 35:2 (2018)
Artikel Jurnal Universitas Indonesia Library
Muhammad Noor-ul-Amin
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ABSTRACT
The control chart is one of the important industrial tools used for monitoring the manufacturing process. The performance of control chart may enhance when some additional information about variable under study is available. In this article, a new two parametric ratio estimator is introduced to design the exponentially weighted moving average control chart. The proposed control chart is more efficient than the existing control chart in detecting small and moderate shifts in the process mean ...
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Taylor and Francis, 2018
658 JIPE 35:5 (2018)
Artikel Jurnal Universitas Indonesia Library
