stratification by size

См. также в других словарях:

• stratification — /strat euh fi kay sheuhn/, n. 1. the act or an instance of stratifying. 2. a stratified state or appearance: the stratification of ancient ruins from eight different periods. 3. Sociol. the hierarchical or vertical division of society according… …   Universalium

• Social stratification — Sociology …   Wikipedia

• 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

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• SINGULARITÉS DES FONCTIONS DIFFÉRENTIABLES (la théorie mathématique et ses applications) — De la topologie différentielle à la dynamique qualitative, en passant par la géométrie analytique et la topologie algébrique, les «singularités» ont bien des incarnations en mathématiques; mais cela n’exclut pas une certaine unité: qu’il s’agisse …   Encyclopédie Universelle

• ECONOMIC HISTORY — This article is arranged according to the following outline: first temple period exile and restoration second temple period talmudic era muslim middle ages medieval christendom economic doctrines early modern period sephardim and ashkenazim… …   Encyclopedia of Judaism

• Social class in the United States — A monument to the working and supporting classes along Market Street in the heart of San Francisco s Financial District Income in the United States Affluence in the …   Wikipedia

• Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …   Universalium

• American middle class — The American middle class is a social class in the United States.[1][2] While the concept is typically ambiguous in popular opinion and common language use,[3] contemporary social scientists have put forward several, more or less congruent,… …   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

• pre-Columbian civilizations — Introduction       the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …   Universalium