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Variable - Wikipedia, the free encyclopedia
Variable may refer to: • Variable (mathematics), a symbol that stands for a value that may vary • Variable (programming), a symbolic name associated with a value and whose associated value may be cha...
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A variable can be considered a predefined template without parameters. See also Help:Parser function. ... On the left is the variable, on the right how it is rendered at this time, in this project, on this page.
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a measurable quantity which at every instant has a definite numerical value. ... If there is any doubt whether a particular quantity may be admitted as a variable, use the criterion whether it can be represented by a pointer on a dial.
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Science fair project variables explained - A simple introduction to dependent, independent, and controlled variables ... These changing quantities are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables:
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Variable star - Wikipedia, the free encyclopedia
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This is part of HyperStat Online, a free online statistics book. ... A variable is any measured characteristic or attribute that differs for different subjects. For example, if the weight of 30 subjects were measured, then weight would be a variable. Quantitative and Qualitative;
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The word variable as used in mathematics (and in other scientific fields that use mathematics) is somewhat vague and may have different meanings depending on the context. Variables are usually denoted by a single Roman or Greek letter, e.g. $x$ , although sometimes a whole word or phrase can be used also.
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Two basic types are (1) Independent variable: that can take different values and can cause corresponding changes in other variables, and (2) Dependent variable: that can take different values only in response to an independent variable...
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