Examlex
When computing a correlation coefficient, if you have 27 degrees of freedom, your sample size must be _______.
Dependent Variable
In an experimental setting, the variable being tested and measured, which is expected to change under the influence of the independent variable.
Independent Variable
In an experimental setting, this is the variable that is manipulated or changed by the researcher to observe its effect on the dependent variable.
Sample
Group of subjects selected from a larger population of subjects, usually selected randomly.
Population
In statistics and research, the entire group of individuals or instances about whom the information is desired; in biology, all the organisms of the same group or species living in a particular geographic area.
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