an art teacher recorded whether the students in three of her classes prefer water color or oil painting she plans to create a two way table to analyze her results what can she put in her first row and first column to create her table

First row water colors, first column 1 class
2nd row oil painting, 2nd column 2nd class
                                  3rd column 3rd class

water or oil on the left side                           top goes the 3 columns for each                                                                                    class  surveyed