http://www.blogger.com/www.mzandee.net/.../chapter4/pearson.htmlThe map above is a scatterplot. A scatter plot, also known as a scatter graph, shows two different data sets. Scatterplots are normally used when one variable is controlled. So very often these graphs are used in expirements. The scatterplot above shows the ages of spouses. Scatterplots normally look much like this one does. Imagine a line going down the middle of the lines. That is what scattor plots look like most of the time; although, they can have outliers as well.
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