*Choose Index below for a list of all words and phrases defined in this glossary.*

**Probability** - Probability refers to the chance of something happening, or the fraction of occurrences over a large number of trials. Probability can range from 0 (no chance) to 1 (full certainty).

[Category=Data Quality ]

*Source: iSixSigma, , https: web.archive.org/web/20111109014246/http:www.isixsigma.com/index.php?option=com_glossary *

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**probability** - [statistics] A measure of the likelihood that a particular outcome, such as a spatial pattern or event, will occur given a set of possible outcomes. Probability values range from 0 for impossible outcomes to 1 for completely certain outcomes. The probability that a tossed coin will land heads-up, for example, is 0.5, since landing heads-up is one of two possible outcomes.

[Category=Geospatial ]

*Source: esri, 18 July 2012 11:44:42, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation *

Data Quality Glossary. A free resource from GRC Data Intelligence. For comments, questions or feedback: dqglossary@grcdi.nl