are factor and response variable the same what is the relationship between factor and factor of response? is ancova a categorical variable can you compare multiple regressions how can multiple regression methods be used how to compare response variables in multiple regression which of the following is a categorical variable and can be used in multiple regression? can lipid content be a categorical variable how to compare regressions among more than two groups how are multiple regression methods used is lipid content continuous how to compare the relationship between factors can multiple regressions test can you use multiple variables to compare regression which factor can a multiple regression be used for how is the relationship between a factor and lipid content in multiple regression? how to compare regression between multiple groups if multiple regression is used what is the relationship between multiple groups which factors in multiple regression can be compared among more than two groups are factor, length, and response variable continuous?