what is the relationship between a linear regression and a linear model? how do you compare a single variable model with a linear model comparing single variable model to model with interaction? how do you revert to a model with interaction which is a positive variable? which variable is a positive variable and a single variable that depends on another variable in a linear model? compared model with data what is the relationship of a single variable and a variable with interaction what is the single variable of a linear model what does the model x_2 compare to how to compare a single variable and a linear model comparing an interaction model to a single variable model compare the single variable regression model to the model with interactions what is the relationship between a linear model and a model with interactions? what type of model does a beta model have how to compare one variable in two variables in a regression model what is the difference between a single variable and a model with interactions? when to compare single variable versus multiple variable regression compared with a single variable regression is x__2 positive or negative