Wednesday, August 11, 2010

Frequency Distribution

A Frequency Distribution defines us a summarized accumulation of data divided into commonly exclusive classes and the number of appearance in a class. Example: To show election result, income of people for a certain region, sales of a product within a certain period, student loan amounts of graduates, etc. Some of the graphs can be used with frequency distributions are histograms, line graphs, bar charts and pie charts.

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Types of Frequency Distributions

  • Simple frequency distributions.
  • Cummulative frequency distribution.
  • Grouped frequency distribution.
  • Cummulative grouped frequency distribution.
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