mean+standard
121Vienna Standard Mean Ocean Water — VSMOW, or Vienna Standard Mean Ocean Water, is an isotopic water standard defined in 1968 by the International Atomic Energy Agency. Despite the somewhat misleading phrase ocean water , VSMOW refers to pure water (H2O) and does not include any… …
122Greenwich Mean Time — (GMT) is a term originally referring to mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, although strictly UTC is an atomic time… …
123Atlantic Standard Time Zone — This article is about the time zone with daylight change in North America. For the static time zone, see UTC−04. AST is UTC 4 The Atlantic Standard Time Zone (AST) is a geographical region that keeps time by subtracting four hours from either… …
124Biel Mean Time — Heure Internet Pour les articles homonymes, voir SIT. La dernière fois que vous avez rafraîchi la page il était 04:55 UTC, soit : .be …
125Gold standard (test) — For other uses, see Gold standard (disambiguation). In medicine and statistics, gold standard test refers to a diagnostic test or benchmark that is the best available under reasonable conditions. It does not have to be necessarily the best… …
126Unbiased estimation of standard deviation — In statistics, the standard deviation is often estimated from a random sample drawn from the population. The most common measure used is the sample standard deviation , which is defined by:s = sqrt{frac{1}{n 1} sum {i=1}^n (x i… …
127South African Standard Time — Time zones of Africa: black UTC 1: Cape Verde Time. green UTC: Western European Time · Greenwich Me …
128Local mean time — is a form of solar time that corrects the variations of local apparent time, forming a uniform time scale at a specific longitude. Its uniformity depends only on the accuracy of the clocks used to measure it.Local mean time was used from the… …
