A stochastic relationship is a relationship between any two variables, Y and X, such that many possible values of Y can be associated with any one value of X.

A stochastic relationship is also known as a probabilistic or statistical relationship, and it means that there is no fixed or deterministic equation that can perfectly predict the value of Y for a given value of X. Instead, Y is influenced by various random factors or uncertainties, leading to a range of possible outcomes.