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  • Statistics In Transition


Article | 22-January-2018


In this paper, we consider the problem of estimation of population mean of a study variable by making use of first-phase sample mean and first-phase sample median of the auxiliary variable at the estimation stage. The proposed new estimator of the population mean is compared to the sample mean estimator, ratio estimator and the difference type estimator for the fixed cost of the survey by using the concept of two-phase sampling. The magnitude of the relative efficiency of the proposed new

Kalyan Rao Vadlamudi, Stephen A. Sedory, Sarjinder Singh

Statistics in Transition New Series, Volume 18 , ISSUE 4, 637–650

Article | 20-December-2020

Unbiased estimator modeling in unrelated dichotomous randomized response

the proportion of the sensitive attribute π_A and the unrelated attribute π_U increases, in contrast to the earlier Ewemooje model, whose variance increases as the proportion of the sensitive attribute increases. The relative efficiency of the proposed model over the earlier Ewemooje model decreases as π_U increases when 0.1≤π_A≤ 0.3 and increases as π_U increases when 0.35≤π_A≤ 0.45. Application of the proposed model also revealed its efficiency over the direct

Adetola Adedamola Adediran, Femi Barnabas Adebola, Olusegun Sunday Ewemooje

Statistics in Transition New Series, Volume 21 , ISSUE 5, 119–132

Research Article | 13-June-2021

Developing calibration estimators for population mean using robust measures of dispersion under stratified random sampling

Ahmed Audu, Rajesh Singh, Supriya Khare

Statistics in Transition New Series, Volume 22 , ISSUE 2, 125–142

Article | 20-December-2020

Some linear regression type ratio exponential estimators for estimating the population mean based on quartile deviation and deciles

Shakti Prasad

Statistics in Transition New Series, Volume 21 , ISSUE 5, 85–98

Article | 03-March-2021

A new family of robust regression estimators utilizing robust regression tools and supplementary attributes

Irsa Sajjad, Muhammad Hanif, Nursel Koyuncu, Usman Shahzad, Nadia H. Al-Noor

Statistics in Transition New Series, Volume 22 , ISSUE 1, 207–216

research-article | 30-November-2019

Spectral filtering copper-coated hibiscus-butanol extract for photovoltaic cells

were recorded on the logger and stored in an SD card. Some scientists had mathematically related solar modules and color filters. For example, the relative efficiency is a term used to estimate the ratio between the amount of energy generated in a day by the solar module with the color filter and the energy produced by the module without a filter. The formula is expressed as (Evaldo et al., 2017): η = V panel 1 V panel 2 × 100 , where η is the relative efficiency; Vpanel2 the

M. E. Emetere, Gabe-Oji Testimony

International Journal on Smart Sensing and Intelligent Systems, Volume 13 , ISSUE 1, 1–6

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