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Glossary of Statisitics Terms
beginning with letter D
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decile Tweet Definition of decile Like Definition of decile on Facebook
noun (plural deciles)
  1. (statistics) Any of the values in a series that divides the distribution of individuals in that series into ten groups of equal frequency.
    Although few people scored high marks, everyone did quite well - the lowest was over 50%.
    1. Any one of the ten groups so divided.
    Our school is in the top for exam results.
     
degree of freedom Tweet Definition of degree of freedom Like Definition of degree of freedom on Facebook
noun (wikipedia, degrees of freedom)
  1. (physics) Any of the coordinates, a minimum number of which are needed to specify the motion of a mechanical system
  2. (physics) Any of the independent variables required to specify the thermodynamic state of a system containing components and phases
  3. (mathematics) Any unrestricted variable in a frequency distribution
     
dependent Tweet Definition of dependent Like Definition of dependent on Facebook
noun 
  1. One who relies on another for support
With two children and an ailing mother, she had three dependents in all ... (In British English, this meaning is spelt dependant.)
  1. (grammar) An element in phrase or clause structure that is not the head. Includes complements modifiers and determiners.
  2. (Greek grammar) the aorist subjunctive form of a verb; or non-past, perfective form of a verb
adjective 
  1. Relying upon; depending upon
At that point I was on financial aid for my tuition.
  1. (of certain Irish irregular verbs): standing only after a preverbal particle
     
dependent variable Tweet Definition of dependent variable Like Definition of dependent variable on Facebook
noun 
  1. (algebra) In an equation, the variable whose value depends on one or more variables in the equation.
In the equation z = x2 + y, z is the dependent variable.
  1. In sciences, an outcome measured to see the effectiveness of the treatment.
     
deviate Tweet Definition of deviate Like Definition of deviate on Facebook
noun 
  1. (sociology) A person with deviant behaviour; a deviant, degenerate or pervert.
verb (deviat, ing)
  1. (intransitive) To go off course from; to change course; to change plans.
He's deviating from the course. Follow him!
  1. (intransitive) To fall outside of, or part from, some norm; to stray.
     
deviation Tweet Definition of deviation Like Definition of deviation on Facebook
noun 
  1. The act of deviate, deviating; a wandering from the way; variation from the common way, from an established rule, etc.; departure, as from the right course or the path of duty.
  2. The state or result of having deviated; a transgression; an act of sin; an error; an offense.
  3. (context, contract law) The voluntary and unnecessary departure of a ship from, or delay in, the regular and usual course of the specific voyage insured, thus releasing the underwriters from their responsibility.
  4. (context, Absolute Deviation) The shortest distance between the center of the target and the point where a projectile hits or bursts.
     
dispersion Tweet Definition of dispersion Like Definition of dispersion on Facebook
noun 
  1. The state of being dispersed; dispersedness.
  2. A process of dispersing.
  3. The degree of scatter of data.
  4. The separation of visible light by refraction or diffraction.
     
distribution Tweet Definition of distribution Like Definition of distribution on Facebook
noun 
  1. a distribution or being distributed; specifically, (a) apportionment by law (of funds, property, etc.), (b) the process by which commodities get to final consumers, including storing, selling, shipping, and advertising, (c) frequency of occurrence or extent of existence
  2. anything distributed; portion; share
  3. the result of distributing; arrangement
  4. (statistics) the relative arrangements of the elements of a statistical population based on some criterion, as frequency, time, or location
     

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