Assuming a linear relationship between X and Y, if the coefficient of correlation (r) equals -0.30,
A) there is no correlation.
B) the slope (b₁) is negative.
C) variable X is larger than variable Y.
D) the variance of X is negative.

Question

Quizplus · Accepted Answer

A correlation coefficient of -0.30 indicates a weak negative correlation between X and Y. A negative correlation means that as the value of X increases, the value of Y decreases. So, the slope (b₁) of the linear relationship is negative. Therefore, the correct choice is B.

Assuming a Linear Relationship Between X and Y, If the Coefficient