411 REFERENCE · Wikibooks
Statistics/Displaying Data/Scatter Graphs
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Scatter Plots
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Scatter Plot is used to show the relationship between 2 numeric variables. It is not useful when comparing discrete variables versus numeric variables. A scatter plot matrix is a collection of pairwise scatter plots of numeric variables.
External Links
Interactive Java-based Bar-Chart Applet