Question: The formula for a regression line is Y = a + bx. If your solution is Y = 15 - 4x, then the regression line

The formula for a regression line is Y = a + bx. If your solution is Y = 15 - 4x, then the regression line will move
down and to the left.
down and to the right.
up and to the left.
up and to the right.
Cannot tell with the information provided.

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