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I need to research the definition of what is called the distribution of a data population. Also, I need to find the statistic that measures the width of dispersion ("looseness" or "tightness") of the population data about its mean.

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The solution contains definition of data distribution and Dispersion.

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Distribution of data: Distribution refers to representation of the data so that it can be interpreted and used for further analysis. Generally, in distribution the data is categorized certain meaningful categories so that it serves the ...

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