Double Sampling
A Generalized Difference-cum-Ratio Type Estimator for the Population Variance in Double Sampling
... survey sampling, the estimation of population variance of the variable under study has attracted the attention of large number of statisticians to know the variation in the ...(double) sampling ...
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Class of Difference Cum Ratio–Type Estimator in Double Sampling Using Two Auxiliary Variables with Some Known Population Parameters
... of double sampling difference cum ratio-type estimator was proposed using two auxiliary variables with known population parameters of the auxiliary ...of double sampling ratio type estimator T ...
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Use of Double Sampling Scheme in Estimating the Mean of Stratified Population under Non-response
... the double sampling (or two-phase sampling scheme) in improving the estimation ...Two-phase sampling is very effective in terms of cost as well as ...This sampling scheme is used to ...
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Time Truncated special purpose double Sampling Plan for selected Distributions
... In this paper,designing a special purpose Double sampling plan of Type DSP-(0,1) for the truncated life test is presented. The minimum sample size and the acceptance number are calculated, for various ...
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A FUZZY APPROACH FOR SOLVING DOUBLE SAMPLING DESIGN IN PRESENCE OF NON-RESPONSE
... Present manuscript is an attempt to solve the problem of obtaining a compromise allocation in multivariate stratified random sampling, when strata weights are unknown and non-response is also present. The strata ...
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Application of Regression Type Estimator in Double Sampling Skills to Students’ Enrollment in Oyo State
... Double Sampling can also be referred to as the Two-phase ...survey sampling in which the precision of estimates of the mean of the variable of interest is increased by the presence of highly ...
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An exponential and log ratio estimator of population mean using auxiliary information in double sampling
... An exponential type ratio estimator in double sampling has been proposed in this study. Its mean square error is obtained up-to the first degree of approximation. In some situations the suggested estimator ...
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Effects of Response Errors on Population Parameters in Double Sampling for Stratification
... by double sample for stratification. The expression for double sampling for stratification in the presence of the response errors was derived and a simulation study was carried out to investigate the ...
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Determination of Optimal Double Sampling Plan using Genetic Algorithm
... In this study, individual chromosomes are formed in such a manner so that the search process considers all possible solutions for the determination of optimal double sampling plans can be represented and ...
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Some generalized classes of double sampling regression type estimators using auxiliary information
... If the information about the mean and variance of the auxiliary variable is not known then we resort to double sampling. Let the auxiliary characteristic x be observed on a large preliminary simple random ...
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Optimal Allocation in Domains Mean Estimation Using Double Sampling with Non-Linear Cost Function in the Presence of Non-Response
... stage sampling design by using double ...random sampling in the presence of non-response in which a separate linear regression estimator is ...
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Improvement on estimating median for finite population using auxiliary variables in double-sampling
... by 𝐴, the first auxiliary variable denoted by 𝐵 and the second auxiliary variable denoted by 𝐶. The sample values of the respective variables are denoted by 𝑎 𝑗 , 𝑏 𝑗 and 𝑐 𝑗 where (𝑗 = 1,2,3, … , 𝑛 1 ) selected by the ...
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Optimum Allocation in Multi Objective Geometric Programming in Multivariate Double Sampling Design
... This paper gives the insightful study of the problem of Multivariate Double sampling Design which is formulated as a convex MOGPP with non-linear objective function and linear constraints. The fuzzy ...
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Effect of Correlation Level on the Use of Auxiliary Variable in Double Sampling for Regression Estimation
... in double sampling procedure increases the precision of an estimate, this pa- per, therefore, suggested for researchers to know that the correlation level between the study variable and the aux- iliary ...
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Estimation of Population Mean in Two Stage Design using Double Sampling for Stratification and Multiauxiliary Information
... Unstratified Double Sampling (USDS) where second sample is a simple random at size n from the first random sample 𝑛 ′ instead of being selected in the form of stratified ...
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STOCHASTIC OPTIMIZATION IN MULTIVARIATE STRATIFIED DOUBLE SAMPLING DESIGN
... In this paper, a method of optimum allocation for multivariate stratified double sampling is developed. The problems of determining the optimum allocations are formulated as Nonlinear Programming problems ...
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Partial inspection problem with double sampling designs in multi-stage systems considering cost uncertainty
... Applying double sampling designs reduces defective items in the system as a result of increased productivity and reduced ...for sampling and inspection operations so that the sampling, ...
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A Comparative Study of Normal, Conditional, Special Type and New Screening Procedure on Double Sampling Plan
... Acceptance sampling is an inspection procedure used to determine whether to accept or reject the specific quantity of ...materials. Sampling plans are playing most important role for the inspection of ...
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A Modified Regression Estimator for Double Sampling
... of double sampling is necessary if the value of auxiliary variable is obtained by performing a non- destructive experiment whereas to obtain a value of study variable of a unit, a destructive experiment has ...
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Evaluation of double-sampling estimators of subalpine herbage production.
... Electronic capacitance metering, relative and dry weight estimations, and canopy cover estimation of herbaceous standing crops were statistically evaluated with respe[r] ...
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