Examlex
Who invented a classification system of four subspecies of humans?
Correlation Coefficient
A statistical measure that calculates the strength and direction of a linear relationship between two variables, ranging from -1 to 1.
Independent Variable
A variable in an experiment or model that is manipulated or changed to observe its effect on a dependent variable.
Dependent Variable
The variable in an experiment or study that is affected by changes in the independent variable.
Relationship Between Variables
This concept refers to how two or more variables are connected or affect each other within a study or analysis.
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