Suppose researchers find that greater alcohol consumption is associated with poorer performance on a skills test. Which of the following fictitious correlation coefficients could possibly represent that correlation?

Question

Quizplus · Accepted Answer

Correlation coefficients range from -1 to +1. A negative correlation means that as one variable increases, the other decreases. A correlation of -0.87 suggests a strong negative relationship, fitting the description of greater alcohol consumption being associated with poorer performance.

Suppose Researchers Find That Greater Alcohol Consumption Is Associated with Poorer