We will look at how a relationship between two categorical variables changes when we look across subgroups formed by a third variable.
Does the relationship between marijuana use and cigarette smoking change with age, or socio-economic circumstances?
After you’ve watched this video, you should be able to answer these questions
•What basic ideas allow us to explore how a relationship changes with a 3rd (and perhaps a 4th) variable?
•Why is stepping through a set of graphs (like playing a movie) useful?
Changes across sub groups statistics as discipline or field of study | |
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| Education | Upload TimePublished on 27 May 2015 |
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