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sampling population

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  • Sampling (statistics) — Sampling is that part of statistical practice concerned with the selection of individual observations intended to yield some knowledge about a population of concern, especially for the purposes of statistical inference. Each observation measures… …   Wikipedia

  • Sampling — may refer to: Sampling (signal processing), converting a continuous signal into a discrete signal Sampling (graphics), converting continuous colors into discrete color components Sampling (music), re using portions of sound recordings in a piece… …   Wikipedia

  • sampling fraction — ˈsampling ˌfraction noun [countable] STATISTICS the relationship between the size of a group that is chosen to take part in a study, and the size of the whole group: • Estimating the average height of adult males in the British population would… …   Financial and business terms

  • Population genetics — is the study of the allele frequency distribution and change under the influence of the four evolutionary forces: natural selection, genetic drift, mutation and gene flow. It also takes account of population subdivision and population structure… …   Wikipedia

  • Population genomics — is the large scale comparison of DNA sequences of populations. Population genomics is a neologism that is associated with population genetics. ee also* Genomics * Personal genomicsReferences* [http://hmg.oxfordjournals.org/cgi/content/full/10/20/2… …   Wikipedia

  • Sampling bias — In statistics, sampling bias is when a sample is collected in such a way that some members of the intended population are less likely to be included than others. It results in a biased sample, a non random sample[1] of a population (or non human… …   Wikipedia

  • Sampling error — Contents 1 Description 1.1 Random sampling 1.2 Bias problems 1.3 Non sampling error 2 See also …   Wikipedia

  • sampling — A method for collecting information and drawing inferences about a larger population or universe, from the analysis of only part thereof, the sample. Censuses of the population are an expensive way of monitoring social and economic change, and… …   Dictionary of sociology

  • Sampling distribution — In statistics, a sampling distribution is the probability distribution, under repeated sampling of the population, of a given statistic (a numerical quantity calculated from the data values in a sample).The formula for the sampling distribution… …   Wikipedia

  • sampling — /sam pling, sahm /, n. 1. the act or process of selecting a sample for testing, analyzing, etc. 2. the sample so selected. [1630 40; SAMPLE + ING1] * * * ▪ statistics       in statistics, a process or method of drawing a representative group of… …   Universalium

  • sampling error — The principal aim of any sampling procedure is to obtain a sample which, subject to limitations of size, will reproduce the characteristics of the population being studied, especially those of immediate interest, as closely as possible. In… …   Dictionary of sociology

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