sample taken at random

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• random sample — /ˌrændəm sɑ:mpəl/ noun a sample taken without any selection …   Marketing dictionary in english

• random sample — /ˌrændəm sɑ:mpəl/ noun a sample taken without any selection …   Dictionary of banking and finance

• Sample size determination — is the act of choosing the number of observations to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample …   Wikipedia

• Sample size — The sample size of a statistical sample is the number of observations that constitute it. It is typically denoted n , a positive integer (natural number).Typically, all else being equal, a larger sample size leads to increased precision in… …   Wikipedia

• sample — ▪ I. sample sam‧ple 1 [ˈsɑːmpl ǁ ˈsæm ] noun [countable] 1. a number of people or things chosen from a large group to take part in studies that provide information about the whole group: sample of • Of a sample of executives in 600 companies,… …   Financial and business terms

• Random coil — A random coil is a polymer conformation where the monomer subunits are oriented randomly while still being bonded to adjacent units. It is not one specific shape, but a statistical distribution of shapes for all the chains in a population of… …   Wikipedia

• sample — 1. A specimen of a whole entity small enough to involve no threat or damage to the whole; an aliquot. 2. A selected subset of a population; a s. may be random or nonrandom (haphazard), representative or nonrepresentative. [M.E. ensample, fr. L.… …   Medical dictionary

• random sample — noun A sample randomly taken from an investigated population …   Wiktionary

• Hardware random number generator — This SSL Accelerator computer card uses a hardware random number generator to generate cryptographic keys to encrypt data sent over computer networks. In computing, a hardware random number generator is an apparatus that generates random numbers… …   Wikipedia

• Stratified Random Sampling — A method of sampling that involves the division of a population into smaller groups known as strata. In stratified random sampling, the strata are formed based on members shared attributes or characteristics. A random sample from each stratum is… …   Investment dictionary

• grab sample — noun a single sample or measurement taken at a specific time or over as short a period as feasible (Freq. 2) • Topics: ↑statistics • Hypernyms: ↑sample * * * grab sample, = random sample. (Cf. ↑random sample) …   Useful english dictionary