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Home > QFINANCE Dictionary > Definition of variable

Definition of

variable

Statistics

piece of data studied in statistical analysis an element of data whose changes are the object of a statistical study

variable - Related Articles
  • Covariance

    Calculations

    Covariance measures the relationship between two random variables. For example, we might measure whether a sample population liked drinking wine, and whether they liked eating cheese. Covariance is a form of probability theory that allows us to measure the extent to which those two random variables

  • Elasticity

    Calculations

    The percentage change of one variable caused by a percentage change in another variable.

  • Statistical Process Control for Quality Improvement

    Best Practice

    Although SPC is enabled with statistical analysis, the management philosophy that underlies SPC is much broader than a set of statistics. To improve a process systematically, managers must first identify key processes and key variables of interest. Every organization has hundreds, if not thousands, of processes and variables that can affect product and service outcomes, and one challenge is to focus on the processes and variables that are of key concern
    By Priscilla Wisner

  • Interdependence of National and International Markets: The Foreign Information Transmission (FIT) Model

    Best Practice

    variables beside volatility; namely, exchange rate return, direction of return, trading activity, and order flow.
    By Boulis Ibrahim, Janusz Brzeszczynski

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Definitions of ’variable’ and meaning of ’variable’ are from the book publication, QFINANCE – The Ultimate Resource, © 2009 Bloomsbury Information Ltd. Find definitions for ’variable’ and other financial terms with our online QFINANCE Financial Dictionary.

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