A scatter plot is also known as a scattergraph. A scatter plot is a mathematical graph
of plotted points that show the relationship between two sets of data. These points, or dots on the graph,
show correlation between two variables.
As you can see from the above scatter plot the points on the graph show
correlation between car weight and miles per gallon, something that can be
very, very practical with today’s gas prices.
The map URL is: http://www.statmethods.net/graphs/scatterplot.html
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