Concept explainers
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 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?

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Chapter 1 Solutions
INTRODUCTORY STAT. W/MYLAB MATH>CUSTOM<
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