Exponentially Weighted Moving Average Control Charts for the Process Mean Using Exponential Ratio Type Estimator

Hina Khan, Saleh Farooq, Muhammad Aslam and Masood Amjad Khan

Journal of Probability and Statistics, 2018, vol. 2018, 1-15

Abstract:

This study proposes EWMA-type control charts by considering some auxiliary information. The ratio estimation technique for the mean with ranked set sampling design is used in designing the control structure of the proposed charts. We have developed EWMA control charts using two exponential ratio-type estimators based on ranked set sampling for the process mean to obtain specific ARLs, being suitable when small process shifts are of interest.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnljps:9413939

DOI: 10.1155/2018/9413939

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