Wednesday, December 2, 2009

Histogram


A Histogram is a graphical display of tabulated frequencies, shown as bars. It shows what proportion of cases fall into each of several categories: it is a form of data binning. The categories are usually specified as non-overlapping intervals of some variable. The categories (bars) must be adjacent. The intervals (or bands, or bin) are generally of the same size.



http://www.daisy2000.com/Daisy2003/HorizontalHistogram.gif

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