# Statistics and Probability Concepts Question

**View this question.**

Add this question to a group or test by clicking the appropriate button below.

- a number between -1 and 1, inclusive, that is used to judge whether the relationship between the variables is causal or not.
- a number between 0 and 1 that represents the ratio of change between variables.
- a number between -1 and 1, inclusive, that is used to judge how closely a line fits the data.
- a number between -1 and 1 that represents the functions of supply and demand.