Video: Relationships Between Numeric Variables [5 min]
In this video, we begin looking at scatterplots and ways of viewing and interpreting them.
(See also the Review Questions following the movie)
After you’ve watched this video, you should be able to answer these questions:
- What is the standard way of displaying the relationship between 2 numeric variables?
- What sort of variable is plotted against the vertical scale and what against the horizontal scale?
- It is often useful to think of patterns in such plots in terms of 3 components. What are they?
- What type of question should separate clusters of dots suggest to us?
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