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statistical âmâri (#) Fr.: statistique Of, pertaining to, consisting of, or based on → statistics. Statistic, from → statistics + → -al. |
statistical analysis ânâlas-e âmâri Fr.: analyse statistique The process of collecting, manipulating, analyzing, and interpreting quantitative data to uncover underlying causes, patterns, and relationships between variables. → statistical; → analysis. |
statistical equilibrium tarâzmandi-ye âmâri Fr.: équilibre statistique A state in which the average density of atoms per cubic centimeter in any atomic state does not change with time and in which, statistically, energy is equally divided among all degrees of freedom if classical concepts prevail. → statistical; → equilibrium. |
statistical hypothesis engâre-ye âmâri Fr.: hypothèse statistique An assumed statement about the way a → random variable is distributed. A statistical hypothesis generally specifies the form of the → probability distribution or the values of the parameters of the distribution. The statement may be true or false. See also → null hypothesis. → statistical; → hypothesis. |
statistical hypothesis testing âzmun-e engâre-ye âmâri Fr.: test d'hypothèse statistique A method of making decision between rejecting or not rejecting a → null hypothesis on the basis of a set of observations. → statistical; → hypothesis; → test. |
statistical inference darbord-e âmâri Fr.: inférence statistique The process of inferring certain facts about a → statistical population from results found in a → sample. → statistical; → inference. |
statistical law qânun-e âmâri (#) Fr.: loi statistique A law that governs the behavior of a system consisting of a large number of particles and which differs from the laws obeyed by each of the particles making up the macroscopic system. See also → dynamical law. → statistical; → law. |
statistical mechanics mekânik-e âmâri (#) Fr.: mécanique statistique → statistical; → mechanics. |
statistical parallax didgašt-e âmâri Fr.: parallaxe statistique The mean parallax of a group of stars that are all at approximately the same distance, as determined from their radial velocities and proper motions. → statistical; → parallax. |
statistical physics fizik-e âmâri (#) Fr.: physique statistique The branch of physics that applies methods of → probability theory and → statistics to the behavior of large numbers of microscopic particles (such as molecules, atoms, or subatomic particles) in order to explain and predict the overall properties of the system composed of such particles. → statistical; → physics. |
statistical population porineš-e âmâri Fr.: population statistique Any collection of individuals or items from which → samples are drawn. See also → finite population, → infinite population. → statistical; → population. |
statistical thermodynamics garmâtavânik-e âmâri Fr.: thermodynamique statistique Same as → statistical mechanics. → statistical; → thermodynamics. |
statistical weight vazn-e âmâri Fr.: poids statistique 1) Statistics: A number assigned to each value or range of values of a
given quantity, giving the number of times this value or range of
values is found to be observed. → statistical; → weight. |
statistics âmâr (#) Fr.: statistique A branch of applied mathematics that deals with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters. From Ger. Statistik "political science," from Mod.L. statisticus (collegium) "state affairs," from It. statista "person skilled in statecraft," from stato "state," ultimately from L. status "position, form of government;" cognate with Pers. ist-, istâdan "to stand" (Mid.Pers. êstâtan; O.Pers./Av. sta- "to stand, stand still; set;" Av. hištaiti; cf. Skt. sthâ- "to stand;" Gk. histemi "put, place, weigh," stasis "a standing still;" L. stare "to stand;" Lith. statau "place;" Goth. standan; PIE base *sta- "to stand"). Âmâr "computation, arithmetic; statistics," from âmârdan "to reckon, to calculate," related to ošmârdan, šomârdan, šomordan "to count, to calculate," mar, mâr- "count, reckon, measure," bimar "countless," nahmâr "great, large, big;" Mid.Pers. âmâr "calculating, reckoning;" Av. base mar- "to have in mind, remember, recall," hišmar-; cf. Skt. smr-, smarati "to remember, he remembers," L. memor, memoria, Gk. mermera "care," martyr "witness." |
stature bašn (#), qad (#) Fr.: stature 1) The natural height of a human or animal in an upright position. M.E., from from O.Fr. stature, estature "build, structure," from L. statura "height, size of body, size," from PIE root *sta- "to stand, make or be firm," cf. Pers. ist-, istâdan "to stand," → opposition. Bašn "stature, height; the body;" Mid.Pers. bašn "the top;" O.Pers. baršan- "height," variant borz "height, magnitude" (it occurs also in the name of the mountain chain Alborz), related to boland "high," bâlâ "up, above, high, elevated, height," berg "mountain, hill;" Mid.Pers. buland "high;" Av. barəz- "high, mount," barezan- "height;" cf. Skt. bhrant- "high;" L. fortis "strong" (Fr. & E. force); O.E. burg, burh "castle, fortified place;" Ger. Burg "castle," Goth. baurgs "city," E. burg, borough, Fr. bourgeois, bourgeoisie, faubourg); PIE base *bhergh- "high." |
status estâté Fr.: status 1) The position of an individual in relation to another or others, especially in regard
to social or professional standing. From L. status "condition, position, state, attitude" from p.p. stem of stare "to stand," from PIE *ste-tu-, from root *sta- "to stand," → state., + -tus suffix of action. Estâté, from estat, → state, + nuance suffix -é. |
steady flow tacân-e pâyâ Fr.: écoulement constant, ~ stationnaire A flow in which the characterizing conditions, such as → streamlines or velocity at any given point, do not change with time. Tacân, → flow; pâyâ "steady, constant," from pâyidan "to stand firm, to be constant, steady," from Mid.Pers. pattây-, pattutan "to last, endure, stay." |
steady state theory negare-ye hâlat-e pâyâ Fr.: théorie de l'état stationnaire A → cosmological model according to which the → Universe has no beginning and no end and maintains the same mean density, in spite of its observed expansion, by the continual creation of matter throughout all space. The theory was first put forward by Sir James Jeans in about 1920 and again in revised form in 1948 by Hermann Bondi and Thomas Gold. It was further developed by Sir Fred Hoyle to deal with problems that had arisen in connection with the alternative → Big Bang model. Observations since the 1950s have produced much evidence contradictory to the steady state theory and supportive of the Big Bang model. More specifically, the steady state theory attributed the → cosmic microwave background to → thermal radiation from → dust clouds, but this cannot account for a single → blackbody spectrum. Moreover, the steady state theory lacked a plausible mechanism for the creation of matter in space. See also → perfect cosmological principle. |
steam boxâr (#) Fr.: vapeur The vapor into which water is changed when boiled. From M.E. steme, O.E. steam; cognate with Du. stoom, of unknown origin. Boxâr, → vapor. |
steam engine mâšin-e boxâr (#) Fr.: machine à vapeur An engine in which the energy of hot → steam is converted into → mechanical power, especially an engine in which the force of expanding steam is used to drive one or more → pistons. The source of the steam is typically external to the part of the machine that converts the steam energy into → mechanical energy (Dictionary.com). |
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