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12. International Journal of Computational and Theoretical Statistics
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Browsing 12. International Journal of Computational and Theoretical Statistics by Issue Date

Browsing 12. International Journal of Computational and Theoretical Statistics by Issue Date

Now showing items 1-20 of 76

The Efficiency of Cluster Sampling with Ratio Estimators Using Single and Two Auxiliary Variables Over simple Random Sampling

Al-Mannai, Mariam (2014)

In this paper we have studied empirically the role of single or two auxiliary variables under which cluster sampling in conjunction with ratio method of estimation is more efficient (or less efficient) than using conventional ...
A Solution of the Two-Sample Problem

Tsakok, AD (2014)

The Tsakok test of fit is used to obtain an exact interval estimate of distributions and achieves exact two-sample tests, UMPU in a class of two-sided alternatives and not conditional on marginal totals. Com¬parisons and ...
A Queuing Model for Hospital Bed Occupancy Management: A Case Study

Kembe, M.M.; Agada, P.O.; Owuna, D. (2014)

The quality of Medical Service in the Orthopaedic clinic of the NKST Rehabilitation Hospital Mkar is constantly threatened by the inadequacy of hospital beds across wards. This is due to the high influx of patients needing ...
Incomplete Block Designs for Multiple Asymmetric Parallel Line Assays

Shekhar, Shashi; Bhar, Lalmohan; Gupta, V.K. (2014)

A method of construction of A-optimal binary block designs for multiple asymmetrical parallel line assays has been proposed. Illustration of the method with examples has been provided. By this method two series of designs ...
A Note on the Behavior of Karmarkar's Potential Function in Linear Programming

Singh, J.N.; Shakil, M; Singh, D (2014)

In this note we express Karmarkar's potential function in terms of the geometric mean of the decision variables of the linear programming problem, and obtain bounds on it. We also study the behaviour of the gradient and ...
Influential Observations and Cutoffs of Different Influence Measures in Multiple Linear Regression

Kr.Das, Mintu; Gogoi, Bipin (2015)

The analysis of data for outliers is a part of model building and data summarizing for model testing, parameter estimation, prediction and peculiarity investigations. Any influential point can disproportionately pull the ...
Characterization of Prediction Variance Properties of Rotatable Central Composite Designs for 3 to 10 Factors

Ukaegbu, Eugene C.; Chigbu, Polycarp E. (2015)

Rotatability is a very important property of the central composite designs (CCD) in predicting responses with stable prediction variance throughout the design region. A central composite design is made rotatable by the ...
A Bayesian Analysis for Repeated Measurements Adopting a More Informative New Prior for Updating Predicted Mortality Rate After the Cardiac Surgery Activity

Al-Saleh, Jamal A. (2015)

In this paper, a repeated predicted measurements, using Bayesian approach is considered to filter non appropriate priors from a pool of prior information on (0,1) interval. We used data on mortality rates after the cardiac ...
Generalized Order Statistics from q_Exponential Type- I Distribution and its Characterization

Khan, M. I.; Khan, M. A. R.; Khan, M. A. (2015)

This article is concerned with exponential type-1 distribution. Recurrence relations for single and product moments of generalized order statistics have been derived from exponential type-1 distribution. Single and product ...
Siginificance Test Based on Log-Logistic Distribution

Kantam, R. R. L.; SriRam, B.; Suhasini, A. (2015)

This paper deals with the log-logistic distribution (β = 3) as a life time model. Moments of order statistics and an ordered sample are used to define a test statistic for the null hypothesis that the considered random ...
Improved Variance Function in Cluster Sampling

Shukla, A.K.; Yadav, S.K; Tiwari, V. (2015)

In the present article, we suggest nonlinear regression models for variance function in cluster sampling. The estimates of parameters of suggested and existing models have been obtained. The suggested and existing models ...
Test for Accuracy of Ranking in Moving Extreme Ranked Set Sampling

Al-Saleh, Mohammad Fraiwan; Ababneh, Asma (2015)

Moving Extreme Ranked Set Sampling (MERSS) is a variation of Ranked Set Sampling (RSS) that simplifies the technique and makes it more applicable. In MERSS, the judgment maximum of random samples of sizes 1, 2,…, are taken ...
Exact Moments of Record Values from Burr Distribution with Applications

Khan, M. J. S.; Sharma, A.; Khan, M. I.; Kumar, S. (2015)

In this paper, the exact moments of record values are obtained for two parameter Burr type XII distribution. Exact expressions for single and product moments of record statistics are also derived. The means, variances and ...
A Study on Block Design with Censored Data

Sarmah, Sanhita; Gogoi, Bipin (2015)

The analysis of data from block designs arises in different fields. Various parametric and nonparametric procedures are available for analysis of such data. But analysis of such design with censored data has not been as ...
Some Characterization of Continuous Distributions Based on Order Statistics

Athar, Haseeb; Athar, Zuber (2015)

A family of continuous probability distributions have been characterized through conditional expectation of power of difference of two order statistics, conditioned on a pair of non-adjacent order statistics. The ...
Bayesian Analysis in Industrial Applications using Markov Chain Monte Carlo Simulations

Kumar, Pranesh; Herath, Hemantha S. B. (2015)

Hierarchical modeling is often used a tool which, as an interdisciplinary effort, combines the estimation technique and data mining techniques to model reliability systems. The reliability of the model is measured in terms ...
A Simulation Study of the Negative Effects of the Single Block Appointment System in Specialist Outpatient Clinics of a Tertiary Healthcare Institution

Agada, P.Onuche; Kenneth, N. Korve (2015)

This paper is concerned with the investigation of the negative effects of the Single Block Appointment System via a simulation study of queues in selected specialist outpatient clinics of a tertiary healthcare Institution. ...
Characterization of a New Class of Generalized Pearson Distribution by Truncated Moment

Shakil, M.; Kibria, B.M. Golam; Singh, J. N. (2016)

A probability distribution can be characterized through various methods. In this paper, by using truncated moment, we present some characterizations of a new class of generalized Pearson distribution introduced by Shakil ...
Probabilistic Analysis of a Single Unit Model with Controlled and Uncontrolled Demand Factor and Inspection Policy Available in the System

Bashir, Raeesa; Joorel, J P Singh; Kour, Ranjeet (2016)

The present paper deals with reliability analysis of a system comprises of a single unit. Initially system is in operative state with controlled demand factor i.e. when demand is less or equal to production then it may ...
Smaller Balanced Sampling Plans Excluding Adjacent Units for One Dimensional Population

Kumar, Rajeev; Parsad, Rajender; Mandal, B. N. (2016)

Balanced sampling plans excluding adjacent units are used for selecting samples from naturally ordered populations where nearer units provide similar measurements. In this article, we present several new balanced sampling ...

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