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Authors:Kumari Priyanka, Pidugu Trisandhya Pages: 1 - 14 Abstract: In the present work, the problem of estimation of population mean at current occasion in two occasion successive sampling using calibration estimator in presence of measurement errors has been considered. General sampling design has been used on two occasions with the application to the simple random sampling under measurement errors. The properties of proposed estimators has been discussed. The proposed estimators has been compared mutually and also with corresponding direct version. Simulation studies on real published data has been carried out for justifying the applicability of the proposed estimators. PubDate: 2023-12-19 Issue No:Vol. 24, No. 2 (2023)

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Authors:Öznur Gölbas Pages: 15 - 23 Abstract: Let R be a prime ring of characteristic not 2 and U be a nonzero Lie ideal of R. An additive mapping H on R is called a homoderivation if H(xy) = H(x)H(y) +H (x) y + xH(y) for all x, y ∈ R. The purpose of this paper is to study homoderivations satisfying certain differential identities on Lie ideals of prime rings. PubDate: 2023-12-19 Issue No:Vol. 24, No. 2 (2023)

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Authors:Jaspreet Kour Sudan, Parmil Kumar, Priyanka Anand Pages: 24 - 38 Abstract: This article deals with the estimation of Weibull Rayleigh Distribution using Generalized Type II Hybrid Censoring scheme. Maximum Likelihood and Bayesian estimation are used to estimate unknown parameters of the distribution. Bayes estimates of the distribution parameters have been obtained by using Lindley approximation method and Metropolis Hasting Algorithm with Gamma priors under symmetric and asymmetric Loss Functions. Simulation study has also been performed for numerical purposes and data is generated under the application of Generalized hybrid censoring scheme to know the effect of the above said scheme on Weibull Rayleigh Distribution. A real life dataset under the influence of Generalized Type II Hybrid censoring has been used for illustrative purposes. PubDate: 2023-12-19 Issue No:Vol. 24, No. 2 (2023)