χ2 distribution

χ2 distribution
chi-square distribution a theoretical probability distribution of the sum of the squares of a number (k) of normally distributed variables whose mean is 0 and standard deviation is 1; the parameter k is the number of degrees of freedom. Cf. chi-square test.

Medical dictionary. 2011.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • ANTHOZOAIRES — Créé par Ehrenberg en 1833, le terme d’Anthozoaire évoque les «animaux ( 﨣諸礼益) en forme de fleurs ( 見益礼﨟)» dont les anémones de mer ou les coraux sont des exemples. Qu’ils soient solitaires ou groupés en colonies, les individus, qu’on nomme… …   Encyclopédie Universelle

  • Juncus longistylis — ID 43800 Symbol Key JULO Common Name longstyle rush Family Juncaceae Category Monocot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution AZ, CA, CO, ID, MI, MN, MT, ND, NE, NM, NV, OR, SD, UT, WA, WY Growth Habit …   USDA Plant Characteristics

  • ECONOMIC AFFAIRS — THE PRE MANDATE (LATE OTTOMAN) PERIOD Geography and Borders In September 1923 a new political entity was formally recognized by the international community. Palestine, or Ereẓ Israel as Jews have continued to refer to it for 2,000 years,… …   Encyclopedia of Judaism

  • 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

  • Household income in the United States — For information on the income of individuals, see Personal income in the United States. Median household income in the United States, by county, in 2008 Income in the United States …   Wikipedia

  • Morschach — Country Switzerland …   Wikipedia

  • Muotathal — Country Switzerland …   Wikipedia

  • Mastrils — Country Switzerland …   Wikipedia

  • Malans, Switzerland — Malans Country Switzerland …   Wikipedia

  • India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

  • Sudan, The — officially Republic of the Sudan Country, North Africa. Area: 966,757 sq mi (2,503,890 sq km). Population (2002 est.): 37,090,000. Capital: Khartoum. Muslim Arab ethnic groups live in the northern and central two thirds of the country, while… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”