Utilization of Priori Information in the Estimation of Population Mean for Time-Based Surveys

Sanjay Kumar () and Priyanka Chhaparwal ()
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Sanjay Kumar: Central University of Rajasthan
Priyanka Chhaparwal: University of Engineering and Management

Annals of Data Science, 2024, vol. 11, issue 5, No 9, 1675-1685

Abstract: Abstract Use of a priori information is very common at an estimation stage to form an estimator of a population parameter. Estimation problems can lead to more accurate and efficient estimates using prior information. In this study, we utilized the information from the past surveys along with the information available from the current surveys in the form of a hybrid exponentially weighted moving average to suggest the estimator of the population mean using a known coefficient of variation of the study variable for time-based surveys. We derived the expression of the mean square error of the suggested estimator and established the mathematical conditions to prove the efficiency of the suggested estimator. The results showed that the utilization of information from past surveys and current surveys excels the estimator's efficiency. A simulation study and a real-life example are provided to support using the suggested estimator.

Keywords: Time-based survey; Prior information; HEWMA; Coefficient of variation; Simulation study (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s40745-023-00472-6

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