what random variables are independent of each other what random variable is correlated to which random variable has depend how to determine which random variable is independent which is a dependent variable which random variables have dependent observation which random variable is dependent can graphic models predict location of a variable how to find which variables can be dependent calculating where a variable is dependent in a graphic model which random variable is independent what random variable is correlated with the observed variable is it possible to determine which variables are independent how to predict random variable if it is not observed what is an example of a statistical model how to find which variables are dependent on observed data what random variable are observed which random variables will never be observed if a variable are independent or independent? which random variables are independent of each other using the model of time what is the model used to find which random variable has independent observations?