Given the least squares regression line $\hat { y } = 5 - 2 x$ :
A) the relationship between x and y is positive.
B) the relationship between x and y is negative.
C) as x decreases,so does y.
D) None of these choices.

Question

Quizplus · Accepted Answer

The negative slope coefficient of -2 indicates a negative relationship between x and y. As x increases, y decreases. Therefore, the correct choice is B.

Given the Least Squares Regression Line y^=5−2x\hat { y } = 5 - 2 xy^​=5−2x

Given the Least Squares Regression Line $\hat { y } = 5 - 2 x$