👉 Regressiveness is a quantitative measure used in statistics and econometrics to assess how closely two variables are related, especially when one variable changes. It reflects the strength of the relationship between two variables by providing a range of possible values that can be observed for each data point. In simpler terms, regressiveness measures how much the value of one variable is influenced by changes in another variable. For example, if you have two variables X and Y, where X increases with Y, then the regression line will