which variable is categorical how to determine whether a variable is categorical how to determine whether a variable is categorical how to determine whether a variable is categorical how do you determine if a variable is categorical how do you determine whether a variable is categorical what determines whether a variable is categorical what makes a variable categorical how to find if a variable is categorical how to determine whether a variable is categorical how can you determine if a variable is categorical how to determine whether a variable is categorical how to determine if a variable is categorical? how to determine if a variable is categorical how to determine if a variable is categorical how to tell if a variable is categorical determine if a variable is categorical which variable is categorical? can you test a variable to see if it is categorical is a variable categorical