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Independent/Dependent Variables; Correlation and Regression

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What is the difference between an independent and a dependent variable? What is sample correlation coefficient? Does a regression model imply causation? Explain why or why not.

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The independent variable is the variable you think will affect the dependent variable. It is usually the variable that you can control or manipulate (such as during an experiment). It is graphed along the x-axis.

The dependent variable is the variable that you think will be affected by the independent variable. Changes in this variable are hypothesized to be the effect of changes ...

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