Medical dictionary. 2011.
Sampling bias — In statistics, sampling bias is when a sample is collected in such a way that some members of the intended population are less likely to be included than others. It results in a biased sample, a non random sample[1] of a population (or non human… … Wikipedia
Ascertainment bias — In scientific research, ascertainment bias occurs when false results are produced by non random sampling and conclusions made about an entire group are based on a distorted or nontypical sample. If this is not accounted for, results can be… … Wikipedia
Mutation — For other uses, see Mutation (disambiguation). Part of the Biology series on Evolution … Wikipedia
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
Virgin America — Infobox Airline airline = Virgin America image size = IATA = VX ICAO = VRD callsign = REDWOOD founded = 2004 commenced = August 8, 2007 ceased = hubs = San Francisco International Airportcite web |url=http://www.virginamerica.com/va/about.do… … Wikipedia
Apollo PRISM — PRISM ( Parallel Reduced Instruction Set Machine ) was Apollo Computer s high performance CPU used in their DN10000 series workstations. It was also known as the A88K (apparently referring to Advanced post 68K ). It was for some time the fastest… … Wikipedia
Michigan Services — Map of Amtrak routes in Michigan. Amtrak Michigan Services … Wikipedia
Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… … Wikipedia
dipteran — /dip teuhr euhn/, adj. 1. dipterous (def. 1). n. 2. a dipterous insect. [1835 45; DIPTER(A) + AN] * * * Any member of the more than 85,000 species in the insect order Diptera (the two winged, or true, flies), characterized by the use of only one… … Universalium
Insect morphology — Legend of body parts Tagmata : A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax … Wikipedia
