Browsing İstatistik Bölümü Makale Koleksiyonu by Subject "lognormal distributions"
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Weighted Standard Deviation Method For (X)Over-Bar And S Control Charts
(2019)A Shewhart chart based on normality assumption is not appropriate for skewed distributions since its Type-I error rate is inflated. This study presents (X) over bar and S control charts for monitoring the process variability ...