Which of the following is not a possible r-value?

Question

• 0.6
-0.3
• 0.3
-1.6

Answer 1

An r-value, or correlation coefficient, ranges from -1 to 1. It measures the strength and direction of a linear relationship between two variables. Therefore, among the options provided:

• 0.6: Possible r-value
• -0.3: Possible r-value
• 0.3: Possible r-value
• -1.6: Not a possible r-value

The value -1.6 is outside the acceptable range for r-values.