Explain please

When comparing two categorical variables, it is appropriate to use which of the following methods? Select one or more: 1. means comparison 2. cross-tabulation 3. regression 4. logistic regression In a cross-tabulation, the categories of the independent variables are always placed Select one or more: 0 1. in the columns 2. in the rows 3. where the researcher wants them D) 4. wherever it is most convenient