simple random sampling

simple random sampling

Dictionary of sociology. 2013.

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  • 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

  • Simple Random Sample — A subset of a statistical population in which each member of the subset has an equal probability of being chosen. A simple random sample is meant to be an unbiased representation of a group. An example of a simple random sample would be a group… …   Investment dictionary

  • 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 — /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

  • 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

  • Random sample — A sample is a subject chosen from a population for investigation. A random sample is one chosen by a method involving an unpredictable component. Random sampling can also refer to taking a number of independent observations from the same… …   Wikipedia

  • Random walk — A random walk, sometimes denoted RW, is a mathematical formalization of a trajectory that consists of taking successive random steps. The results of random walk analysis have been applied to computer science, physics, ecology, economics and a… …   Wikipedia

  • probability sampling — random sampling A sampling procedure in which each element of a population has a known chance of being selected for the sample Apart from simple random sampling, this includes certain forms of stratified sampling and systematic sampling The… …   Big dictionary of business and management

  • Cluster sampling — is a sampling technique used when natural groupings are evident in a statistical population. It is often used in marketing research. In this technique, the total population is divided into these groups (or clusters) and a sample of the groups is… …   Wikipedia

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