Describing data
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Beginning with an explanation of the difference between "qualitative" and "quantitative" data, this program goes on to explain various ways of presenting data, including Dot Plots, Bar Charts, and Histograms. The program also explains Summary Measures, Characteristic Values, and how to arrive at the Mode, Median, and Mean, with a discussion of their individual drawbacks and advantages. The program goes on to discuss handling the Spread of Distribution, and explains techniques for measuring Spread, including Quartiles, Inter-quartile Range, and Standard Deviation, and concludes with modeling using Normal Distribution.