what model model of measurement errors what latent variable is observed in a model are the regressors always observed a variable x is not observed and what is the model latent variable which is an observed variable in a regression model? which of the following is a latent variable in regression? what is measurement error model which model of error is used for a variable? definition of latent variable in regression how is the latent variable model formulated? what is meant by latent variables what is the difference between a regression model and a model with errors what is the latent variables for regression model why are all latent variables observed what is the function of the latent variable which model describes the latent variable? what model is used to model a measurement errors what is the difference between a model of the latent variable and a model of the model latent variable? what is a measurement error are regressors observable regressors