If you fit a least squares line to two quantitative variables x and y, and the slope of the line differs from zero, then you know the correlation coefficient also differs from zero.

Question

Quizplus · Accepted Answer

If the slope of the least squares line is not zero, it indicates a linear relationship between x and y, implying that the correlation coefficient, which measures the strength and direction of a linear relationship, also differs from zero.

If You Fit a Least Squares Line to Two Quantitative