Posted by Jen on .
A. If the correlation coefficient is 0.65, what is the sign of the slope of the regression line?
B. As the correlation coefficient decreases from -0.97 to -0.99, do the points of the scatter plot move toward the regression line, or away from it?
A. Since sign of r is positive, so is the slope.
B. Toward; when it reaches -1.00, it is a straight line.