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Key Terms
Scatterplot
A graph that shows the relationship between two ______ variables measured on the same individuals.
Explanatory variable
The variable you think might ______ the other, typically plotted on the x-axis.
Response variable
The variable that might be ______ by the explanatory variable, typically plotted on the y-axis.
DUFS
An acronym used to describe a scatterplot: ______, Unusual features, Form, and Strength.
Correlation coefficient (r)
A standardized measure that tells us the strength and ______ of a *linear* association between two quantitative variables.
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