Question

Which of the following is not a possible r-value (-0.3) (0.3) (-0.6) (1.6)

Answer 1

1.6. The Pearson Correlation Coefficient, otherwise known as r-value, must have a value between -1 and 1. It's used to measure how closely related two different variables are. -1 means negative linear correlation, 0 means no linear correlation, and 1 means positive linear correlation.