A variable sampling interval EWMA t chart with auxiliary information – A robustness study in the presence of estimation error

Ng Peh SangMichael B.C. KhooSajal SahaMing Ha Lee2024-10-172024-10-172022-08https://doi.org/10.1016/j.aej.2021.11.033https://dspace-cris.utar.edu.my/handle/123456789/2985A variable sampling interval EWMA t chart with auxiliary information – A robustness study in the presence of estimation errorjournal-article