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Function and Use of Statistics

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What is the function of statistics? How and why do we use statistics?

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The expert determines what is the function of statistics. How and why we use statistics are given.

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We use statistics for various reasons. One reason is to describe data. Charts, graphs, histograms, and other pictorial representations are useful ways to summarize data. One can often get a feel for trends or relative magnitude of quantities simply by looking at one of these representations. For example, if the number of unemployed individuals in a city decreased each month in 2010, this reality could easily be represented by a bar graph or other type of chart. We could see the downward trend by quickly viewing the chart and doing ...

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