Class I railroad — Class I redirects here. For other uses, see Appliance classes. Class I Railroads in North America. (2006) A Class I railroad in the United States and Mexico, or a Class I rail carrier in Canada, is a large freight railroad company, as classified… … Wikipedia
Statistics — is a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data. Also with prediction and forecasting based on data. It is applicable to a wide variety of academic disciplines, from the… … Wikipedia
Statistics — Sta*tis tics (st[.a]*t[i^]s t[i^]ks), n. [Cf. F. statistique, G. statistik. See {State}, n.] 1. The science which has to do with the collection, classification, and analysis of facts of a numerical nature regarding any topic. Specifically: The… … The Collaborative International Dictionary of English
class mark — Statistics. the midpoint of a class interval. [1885 90, for an earlier sense] * * * … Universalium
class interval — Statistics. one of a set of intervals of arbitrary width into which the range of a sample of measurement is partitioned. [1925 30] * * * … Universalium
statistics — /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
class — classable, adj. classer, n. /klas, klahs/, n. 1. a number of persons or things regarded as forming a group by reason of common attributes, characteristics, qualities, or traits; kind; sort: a class of objects used in daily living. 2. a group of… … Universalium
Class discrimination — Not to be confused with Classicism. Part of a series on Discrimination General forms … Wikipedia
class mark — noun statistics : a value represented by the mid value of a class interval * * * Statistics. the midpoint of a class interval. [1885 90, for an earlier sense] … Useful english dictionary
class — In biologic classification, the next division below the phylum (or subphylum) and above the order. [L. classis, a c., division] * * * Clomethiazole Acute Stroke Study * * * class klas n, often attrib a group, set, or kind marked by common… … Medical dictionary
class frequency — in statistics, the number of variables contained in a class … Medical dictionary