OVERVIEW: Many statistical studies involve more thanone variable. A scatterplot represents a graphical display thatallows one to observe a possible relationship between twoquantitative variables.
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When we think that changes in a variable x explain, or evencause, changes in a second variable y, we call x anexplanatory variable and y a response variable.
When examining a scatterplot, look for an overall pattern.These words and phrases relate to scatterplots.
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These brilliant Algebra II students are using their textbooks to demonstrate the concept of association. What are they illustrating? (A) Positive association. (B) Negative association. (C) No association.
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