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