when should independent variables be used with multiple linear models can a variable be independent in a multiple regression what is the independent variable formula for multiple regression which variable in a multiple regression model is an independent variable with covariates? what is the formula for independent variables? which variable does y have as the variable in a multiple regression model? when to use multiple regression if independent variable in multiple regression model, which variable is used what formula would the independent variable used in a regression analysis use what is the difference between an independent variable formula and a linear model? what is the variable X1 used for? which variable should i use in multiple regression when calculating the independent variable xi, what does the x1 mean? what is the x1 model used for which model uses independent variable if your independent variable is in multiple regression what is the best formula do independent variables in multiple regression when using a multiple regression equation what should the covariates be why not use independent variables in models which variables should i use in a multiple regression model?