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An independent variable is that variable which is presumed to affect or determine a dependent variable. It can be changed as required, and its values do not represent a problem requiring explanation in an analysis, but are taken simply as given [Wikipedia2006I].
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cnx.org/content/m13448/latest/
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Dependent and independent variables - Wikipedia, the free encyclopedia
The terms " dependent variable " and " independent variable " are used in similar but subtly different ways in mathematics and statistics as part of the standard terminology in those subjects. The...
en.wikipedia.org/wiki/Dependent_and_independent_variabl...
en.wikipedia.org/wiki/Dependent_and_independent_variables
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Contrast this with the definition of the dependent variable. An independent variable is a hypothesized cause or influence on a dependent variable. One way to distinguish these variables is to ask yourself what you are want to learn from this research.
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www.childrens-mercy.org/stats/definitions/iv.htm
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This is part of HyperStat Online, a free online statistics book. ... If five-year old subjects were asked to name their favorite color, then the variable would be qualitative. If the time it took them to respond were measured, then the variable would be quantitative. Independent and Dependent;
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davidmlane.com/hyperstat/A29697.html
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The x-axis is the independent variable and the y-axis is the dependent variable. This process also helps check that your experimental design is a fair test, that only one variable or factor is being tested for its effect.
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scene.asu.edu/habitat/s_method.html
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Well, if you plan to keep the amount of cereal, milk and time constant, you could still change any of the following items as the independent variable:
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www.madsci.org/posts/archives/feb2001/981154926.Ot.r.ht...
www.madsci.org/posts/archives/feb2001/981154926.Ot.r.html
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A variable in an equation that may have its value freely chosen without considering values of any other variable. For equations such as y = 3x – 2, the independent variable is x. The variable y is not independent since it depends on the number chosen for x.
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www.mathwords.com/i/independent_variable.htm
www.mathwords.com/i/independent_variable.htm
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Science fair project variables explained - A simple introduction to dependent, independent, and controlled variables ... The independent variable is the one that is changed by the scientist. To insure a fair test, a good experiment has only one independent variable. As the scientist changes the independent variable,
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www.sciencebuddies.org/mentoring/project_variables.shtm...
www.sciencebuddies.org/mentoring/project_variables.shtml
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