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March 27, 2017

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A perfect positive or negative correlation means that

A) the explanatory causes the y-variable.
B) 100% of the variation is explained.
C) we get the same regression equation if we switch the x and y variables.
D) the slope of the regression equation is 1.0

I chose B

  • Math - ,

    Correlation does not necessarily mean causation. I would choose c.

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