Saturday, July 16, 2011

Scatterplot graph


http://www.texample.net/tikz/examples/scatterplot/

The above illustration is a scatterplot which is commonly used in statistics and is used to show correlations between two different variables in a set of data.  The value of one variable determines the position on the horizontal axis.  Above is a distribution that clearly shows as education levels increase so does income for most cases and it has a positive correlation.

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