# Linear regression

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

= -4.13 + 2.1x

Which of the following statements concerning this relationship is true?

a.For every one-unit increase in X, Y increases 4.13 units.

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

c.For every one-unit increase in X, Y decreases 4.13 units.

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

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