Given the linear regression equation:  = 5.5 – 3x. c) When x changes by 1 unit, by how much does y change on the regression line? When x decreases by 1 unit, y does not change. When x decreases by 1 unit, y decreases by 3 units.     When x increases by 1 unit, y increases by 3 units. When x increases by 1 unit, y decreases by −3 units. When x increases by 1 unit, y decreases by 3 units.

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Given the linear regression equation:  = 5.5 – 3x.

c) When x changes by 1 unit, by how much does y change on the regression line?

When x decreases by 1 unit, y does not change.
When x decreases by 1 unit, y decreases by 3 units.    
When x increases by 1 unit, y increases by 3 units.
When x increases by 1 unit, y decreases by −3 units.
When x increases by 1 unit, y decreases by 3 units.
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