Useful english dictionary. 2012.
sample distribution — noun items selected at random from a population and used to test hypotheses about the population • Syn: ↑sample, ↑sampling • Topics: ↑statistics • Hypernyms: ↑distribution, ↑statistical distribution … Useful english dictionary
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
Proportional hazards models — are a class of survival models in statistics. Survival models relate the time that passes before some event occurs to one or more covariates that may be associated with that quantity. In a proportional hazards model, the unique effect of a unit… … Wikipedia
Sample-and-Hold-Schaltung — [ sɑːmpl ənd həʊld ], Abtast und Halte Schaltung, als Momentanwertspeicher wirkende elektronische Schaltung, die darauf beruht, dass der Momentanwert eines Signals kurzzeitig abgefragt (Sample) und zur weiteren Verarbeitung (z. B. im Analog… … Universal-Lexikon
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
representative sample — noun the population is divided into strata and a random sample is taken from each stratum • Syn: ↑stratified sample, ↑proportional sample • Topics: ↑statistics • Hypernyms: ↑sample distribution, ↑sample, ↑ … Useful english dictionary
stratified sample — noun the population is divided into strata and a random sample is taken from each stratum • Syn: ↑representative sample, ↑proportional sample • Topics: ↑statistics • Hypernyms: ↑sample distribution, ↑sample, ↑ … Useful english dictionary
quota sample — noun A proportional sample of people in a specific category or categories of the population defined in terms of age, sex, social class, etc • • • Main Entry: ↑quota … Useful english dictionary
Vibrating sample magnetometer — A vibrating sample magnetometer or VSM is a scientific instrument that measures magnetic properties. A sample is placed inside a uniform magnetic field to magnetize the sample. By physically vibrating the sample sinusoidally, typically through… … Wikipedia
sampling — noun 1. (statistics) the selection of a suitable sample for study (Freq. 4) • Topics: ↑statistics • Hypernyms: ↑choice, ↑selection, ↑option, ↑pick … Useful english dictionary
