stratum mean

  • 1stratified mean catch per tow — (stratified average catch per tow) From research vessel surveys, for separate species of fish, each average catch per tow determined from a series of tows in each geographic stratum of a region is multiplied by that area (square nautical miles)… …

    Fisheries — dictionary

  • 2stratified mean catch per tow — from research vessel surveys and for separate species of fish, each average catch per tow in each geographical stratum of a region is multiplied by the stratum area. All the individual products are added together and the total divided by the sum… …

    Dictionary of ichthyology

  • 3china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …

    Universalium

  • 4China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …

    Universalium

  • 5Intelligence quotient — IQ redirects here. For other uses, see IQ (disambiguation). Intelligence quotient Diagnostics An example of one kind of IQ test item, modeled after items in the Raven s Progressive Matrices test …

    Wikipedia

  • 6Vitamin D — is a group of fat soluble prohormones, the two major forms of which are vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol).cite web|url=http://dietary supplements.info.nih.gov/factsheets/vitamind.asp|title=Dietary Supplement Fact… …

    Wikipedia

  • 7KABBALAH — This entry is arranged according to the following outline: introduction general notes terms used for kabbalah the historical development of the kabbalah the early beginnings of mysticism and esotericism apocalyptic esotericism and merkabah… …

    Encyclopedia of Judaism

  • 8linguistics — /ling gwis tiks/, n. (used with a sing. v.) the science of language, including phonetics, phonology, morphology, syntax, semantics, pragmatics, and historical linguistics. [1850 55; see LINGUISTIC, ICS] * * * Study of the nature and structure of… …

    Universalium

  • 9Stratified sampling — In statistics, stratified sampling is a method of sampling from a population.When sub populations vary considerably, it is advantageous to sample each subpopulation (stratum) independently. Stratification is the process of grouping members of the …

    Wikipedia

  • 10statistics — /steuh tis tiks/, n. 1. (used with a sing. v.) the science that deals with the collection, classification, analysis, and interpretation of numerical facts or data, and that, by use of mathematical theories of probability, imposes order and… …

    Universalium