Population and Sampling for this Study
Sampling. Population (Universe)
... of population distribution the characteristic of the sampling distributions are also described by some measurements like mean & standard ...the sampling distribution of a statistic is called the ...
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Population sampling in longitudinal surveys
... full population of year three children or a random sample from it, ...Life Study, the chosen women would not conventionally be regarded as constituting a probabilistically selected sample from a real ...
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Quadrat Sampling in Population Ecology
... Random sampling avoids this source of ...the study area sample has an exactly equal chance of being chosen for ...Random sampling is not the same as haphazard ...random sampling usually ...
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Superpopulation models in finite population sampling
... Here apart from the variate values, units having those values are identifiable. This fact has mostly been overlooked". The presence of labels on units in a finite population has been the central point of debate ...
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Measuring inequality in finite population sampling
... the population, for example when the sample is selected from a ...true population rank N k of selected unit k will then have a tendency to be underestimated by N b k ...The sampling distribution of ∑ ...
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Estimation of Population Mean In Successive Sampling by Sub-Sampling Non-Respondents
... This Regular Article is brought to you for free and open access by the Open Access Journals at DigitalCommons@WayneState. It has been accepted for inclusion in Journal of Modern Applied Statistical Methods by an ...
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Sampling and measurement methods for a study of childhood refractive error in a United Kingdom population
... THIS STUDY ADDS The NICER study is the first population-based survey of childhood refractive error in the United Kingdom to use both random-cluster sampling and cycloplegic ...this ...
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Population Mean Estimation with Sub Sampling the Non-Respondents Using Two Phase Sampling
... Singh, H. P., Kumar, S., & Kozak, M. (2010). Improved estimation of finite- population mean when sub-sampling is employed to deal with non-response. Communication in Statistics - Theory and Methods, ...
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ESTIMATION OF POPULATION MEAN USING RANKED SET SAMPLING
... the population parameters like mean, total or ratio, product and regression, sample survey experts sometimes use auxiliary information to improve efficiency of the ...set sampling (RSS) is a cost efficient ...
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Sampling strategies for selecting general population comparison cohorts
... three sampling strategies led to comparison cohorts with different characteristics when the index cohort comprised people aged > 50 ...cohort study, in which sampling without replacement failed to ...
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A unified approach to robust estimation in finite population sampling
... most sampling designs used in prac- ...random sampling, it is essentially equivalent to the estimator of Kokic & Bell ...simulation study suggest that our approach improves the efficiency of ...
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Improved confidence interval estimation of the population standard deviation using ranked set sampling: A simulation study
... simulation study comparing many intervals under a wide range of ...current study, making it a more comprehensive ...set sampling (RSS) technique will be implemented and compared with the classical ...
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A generalisation of bayesian inference : with applications to finite population sampling theory
... finite population sampling ...survey sampling. These include situations analogous to simple random sampling, , stratificatio n , w ithin stra tu m ratio estim ation, across s tra tu m ratio ...
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Sampling the Ethnic Minority Population in Germany. The Background to “Migration Background
... the Population Register includes all relevant ...the Population Register appears not unproblematic at the present ...the Population Register continues to create effort and ...national ...
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Importance sampling for unbiased on demand evaluation of knowledge base population
... { manning } @cs.stanford.edu Abstract Knowledge base population (KBP) sys- tems take in a large document corpus and extract entities and their relations. Thus far, KBP evaluation has relied on judge- ments on the ...
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An alternative procedure for estimating the population mean in simple random sampling
... ramkssolanki@gmail.com Abstract This paper deals with the problem of estimating the finite population mean using auxiliary information in simple random sampling. Firstly we have suggested a correction to ...
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An Alternative Approach to Estimation of Population Mean in Two-Stage Sampling
... survey sampling, the use of auxiliary information can increase the precision of an estimator when study variable y is highly correlated with the auxiliary variable ...with study variable y, such as ...
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Estimation of the Population Mean Using Paired Ranked Set Sampling
... the sampling units in a study can be easily ranked than quantified, the ranked set sampling methods are found to be more efficient and cost effective as compared to ...
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Effects of Response Errors on Population Parameters in Double Sampling for Stratification
... A study on the effects of non sampling errors on the quality of statistical data was done by Zarkovich ...a sampling interval and applying the weights to a particular set of observations causes non- ...
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Bayesian Estimation of Population Size Changes by Sampling Tajima’s Trees
... past population sizes, which relies on a lower-resolution coalescent process that we refer to as “Tajima’s ...of population size changes by Sampling Tajima’s Trees (BESTT) with a popular ...
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