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Psychology Regression Question

Consider the regression equation, Y = 9.00 - 1.2X, which of the following is the best description of what this equation means?

A) An increase in X of 1 is associated with an increase in Y of 9.00
B) An increase in X of 1 is associated with an decrease in Y of 1.2
C) An increase in Y of 1 is associated with an decrease in X of 1.2
D) An increase in Y of 1 is associated with an increase in X of 1.2
E) An increase in X of 1 is associated with an increase in Y of 1.2

And can you explain why?

Thank you for any help!!

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