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Categorical Variables
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Categorical variables like Religion, Gender and Ethnicity tell us about group membership. We show you how to use bar charts and tables to display such data informatively and interpret it.
After you’ve watched this video, you should be able to answer these questions
•What is the basic graph that we use for displaying the data for a categorical variable?
•Why do we use this in preference to pie charts and segmented bar charts?
•What features of the data does a bar chart highlight? (What sorts of things can we easily see?)
After you’ve watched this video, you should be able to answer these questions
•What is the basic graph that we use for displaying the data for a categorical variable?
•Why do we use this in preference to pie charts and segmented bar charts?
•What features of the data does a bar chart highlight? (What sorts of things can we easily see?)
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