how many variables are in linear regression which of the following variables can be a continuous variable? what type of variables affect linear regression how many variables are continuous in a linear regression model which variable is categorical what is the relationship between a categorical variable vs. a response variable? what is the difference between continuous and categorical variable how many variables are continuous which linear regression is best to model continuous or categorical response variable what variables can you model a linear regression which variable is continuous and has interaction effects which variable is categorical or continuous and which variable has interaction effects which variable is continuous what variables do linear regression model how many response variables are in regression how many continuous variables in a linear regression what variables have interaction how many explanatory variables have interaction effects? which variable is an interaction variable in regression testing how many responses are continuous variables that interact with the other variables