- systematic random sampling
- Статистика: систематический случайный выбор
Универсальный англо-русский словарь. Академик.ру. 2011.
systematic random sampling
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Systematic sampling — is a statistical method involving the selection of every k th element from a sampling frame, where k , the sampling interval, is calculated as:::: k = population size ( N ) / sample size ( n )Using this procedure each element in the population… … Wikipedia
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 error — Contents 1 Description 1.1 Random sampling 1.2 Bias problems 1.3 Non sampling error 2 See also … Wikipedia
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
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 — A process used in statistical analysis in which a predetermined number of observations will be taken from a larger population. The methodology used to sample from a larger population will depend on the type of analysis being performed, but will… … Investment dictionary
Simple random sample — In statistics, a simple random sample is a subset of individuals (a sample) chosen from a larger set (a population). Each individual is chosen randomly and entirely by chance, such that each individual has the same probability of being chosen at… … Wikipedia
Random assignment — or random placement is an experimental technique for assigning subjects to different treatments (or no treatment). The thinking behind random assignment is that by randomizing treatment assignment, then the group attributes for the different… … Wikipedia
Systematic Sampling — A method of selecting sample members from a larger population according to a random starting point and a fixed, periodic interval. Typically, every nth member is selected from the total population for inclusion in the sample population.… … Investment dictionary
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
Nonprobability sampling — Sampling is the use of a subset of the population to represent the whole population. Probability sampling, or random sampling, is a sampling technique in which the probability of getting any particular sample may be calculated. Nonprobability… … Wikipedia
