Exploring Relationships between Two or More Quantitative Variables Graphically
Scatterplots, Bubble Graphs, and Matrix Plots
Measures of Association between Two Quantitative Variables: the Scatterplot and the Coefficient of Correlation
Describing the relationship between two quantitative variables is called a bivariate relationship. One way of investigating this relationship is to construct a scatterplot. A scatterplot is a 2D plot where one variable is plotted along the vertical axis and the other is plotted along the horizontal axis. The pairs of points (xi, yi) plotted on the scatterplot are helpful in visually examining the relationship between the two variables.
In a scatterplot, one of the variables is considered a dependent variable ...
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