Explain why the variable Male, in Table 1A, is categorical, even though its values are numbers. Often,

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Explain why the variable Male, 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?


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

College Units This Term Shoe Eye Color Weight (pounds) Number of Height (inches) Male Age Size Siblings Handedness 1 20 Brown 9.5 71 170 1 16 Right 19 Blue 8 66 135 1 13 Right 42 Brown 7.5 63 130 3 Right 19 Brown 8.5 65 150 15 Left 1

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Essential Statistics

ISBN: 9780134134406

2nd Edition

Authors: Robert Gould, Colleen N. Ryan, Rebecca Wong

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