Chapter 1, Problem 9SE

The data in Table 1A were collected from one of the authors’ statistics classes. The first row gives the variable, and each of the other rows represents a student in the class.

TABLE 1A

Coding Explain why the variable Female, in Table 1A, is categorical, even though its values are numbers. Often, it does not make sense, or is not even possible, to add the values of a categorical variable. Does it make sense for Male? If so, what does the sum represent?