Author

Hassan M. Aljohani

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Open access Aug 2026

Simulation-based approach with an adaptive Type-II hybrid progressive censoring scheme to study the coefficient of variation of the weighted exponential distribution

The coefficient of variation (CV) is a frequently used standardized measure of variability that allows meaningful comparison among datasets measured using different scales or units. Although widely applied in practice, formal statistical inference for the CV under non-normal distributions has received limited attention...

Hassan M. Aljohani, A. Alharthi, W. A. Almohri et al. · PLoS ONE · 0 citations

Open access Sep 2026

Development of a Bayesian Re‐weighted Adaptive EWMA Control Chart with Variable Sampling

This study introduces a Bayesian Variable Sample Size (VSS) Re‐weighted Adaptive Exponentially Weighted Moving Average (VRAEWMA) control chart that incorporates a sigmoid adjustment function for efficient detection of process mean shifts. By integrating Bayesian inference with the adaptive VRAEWMA framework, the prop...

Hassan M. Aljohani, Imad Khan, M. A. Elwahab et al. · Quality and Reliability Engi... · 0 citations