2021

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Conditional Expected Value (CEV) based Coefficient of Variation (CV) control chart dealing with Type 1 Censored data
(UMT.Lahore, 2021) ATEEBA ATIR
In this thesis, we proposed a new Conditional Expected Value (CEV) based Coefficient of Variation (CV) control chart for Type І Censored data under Rayleigh distribution. The control limit is based on quantile point approach. The performance of these charts is evaluated by means of Average Run Length (ARL) measure. The ARL1 measures are calculated for different shift values in scale parameter of the distribution. The control chart with smallest ARL1 are considered as the more efficient chart which detect changes in process deviation more speedily. The graphical representation is made using ARL curves to compare the performance of proposed CEV-CV control chart with a simple CV control chart. A real life data example is also included to view the performance of proposed CEV based CV control chart.