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Using Statistics for Better Business Decisions by Bert G. Wachsmuth, Justin Bateh

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Chapter 2

Data Visualization

Preview: Presenting data visually can make it easier to understand and absorb. It is one thing to read a row of figures on the page, but quite another to see those figures presented in a user-friendly chart. The data visualization process aims to make sense of the raw data, presenting it in a manner that is easy to understand even for non experts. Pie charts and bar charts are among the most commonly used data visualization techniques; they can be created easily using common spreadsheet programs like Microsoft Excel. Numerical data can be represented in histograms, while categorical data can be visualized using frequency tables and charts. Cumulative frequencies count the number of data points up to a given value ...

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