What do the numbers 1 and 0 mean for the variable Female, in Table 1A (which is coded categorical data)? Often, it does not make sense, or is not even possible, to add a categorical variable. Does it make sense for Female? If so, what does the sum represent?

College Units Acquired Commute Height (inches) Number Living Female Distance (Miles) Hair Color Ring Size of Aunts Situation Brown 9.5 71 5 35 Dorm Black 8 66 20 Dorm 1 Brown 7.5 63 Dorm 14 Brown 10 65 2 30 Commuter 1 17 Brown 70 1 15 Commuter 1 Blonde 5.5 60 12 Dorm 0. Black 12 76 4 42 Dorm Brown 5 70 7 18 Dorm 21 Brown 8 64 2 16 Commuter 13 Brown 7.5 63 40 Commuter 1 Brown 8.5 61.5 44 Dorm