2008-08-292008-08-292007-082008-08-29http://hdl.handle.net/2263/6770Microsoft Excel Spreadsheet with interactive hyperlinks and activities.One of the principle purposes of mathematical statistics is to provide tools by which the existence of a "pattern" in a data set may be detected and quantified, or classified. Descriptive statistical measures and graphical tools such as histograms are possibly the most elementary of these pattern recognition tools.247296 bytesapplication/vnd.ms-excelenUniversity of PretoriaDescriptive statistical measuresData setsMeanStandard DeviationMedianPercentilesHistogramse-StatsStatistics -- Data processingMathematical statistics -- Data processingLearning Object