Which of these coefficients of correlation (r) indicates a strong negative linear relationship between the two variables of interest?
A) -1.3
B) -0.9
C) 0.8
D) 0.9

Question

Quizplus · Accepted Answer

A coefficient of -1 indicates a perfect negative correlation, while a coefficient of -0.9 indicates a very strong negative correlation. A coefficient of 0 indicates no correlation, while a positive coefficient indicates a positive correlation. A coefficient of 0.8 or 0.9 indicates a strong positive correlation. Therefore, B is the best choice as it has the strongest negative correlation coefficient among the options.

Which of These Coefficients of Correlation (R) Indicates a Strong