A linear regression between Y and X produced the following equation for the least squares line: - 6164

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A linear regression between Y and X produced the following equation for the least squares line:

= -4.3 + 2.1x 

Which of the following statements concerning this relationship is true?

a. For every one-unit increase in X, Y increases 4.3 units.

b. For every one-unit increase in X, Y decreases 2.1 units.

c. For every one-unit increase in X, Y decreases 4.3 units.

d. For every one-unit increase in X, Y increases 2.1 units.

 
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