Fr.: échantillon biaisé
A sample that is not a true representative of a → statistical population to which generalizations are to be made. A sample which is not → randomly constituted.
Fr.: échantillon aléatoire
A sample selected at random from a population.
Statistics: A portion of the units of a population. The
units are selected based on a randomized process with a known probability of selection.
The sample is used to make inferences about the population by examining or
measuring the units in the sample.
→ specimen = nemuné (
M.E., from O.Fr. essample, from L. exemplum "a sample," literally "that which is taken out," from eximere "to take out, remove."
Nemunân, from nemun, from nemudan "to show;" Mid.Pers. nimūdan, nimây- "to show," from O.Pers./Av. ni- "down; into," → ni- (PIE), + māy- "to measure;" cf. Skt. mati "measures," matra- "measure;" Gk. metron "measure;" L. metrum; PIE base *me- "to measure."
Fr.: point de l'échantillon
Statistics: Each possible outcome in a → sample space.
Fr.: taille de l'échantillon
The number of sampling units which are to be included in the sample. In the case of a multi-stage sample this number refers to the number of units at the final stage in the sampling.
Fr.: espace des échantillons
Statistics: A set which consists of all possible outcomes of a random experiment.
nemunân-e a bi-varak
Fr.: échantillon non biaisé
A sample in which every individual element in the population has an equal chance of being selected.