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Cross-tabulations, also known as “pivot tables” or crosstabs, are statistical reportsthat group data by one field, creating one column for each distinct value ofanother field. In colloquial terms, this way of representing data is called”breaking down the data by X and Y,” where X and Y are the names of two columnsin the dataset.In the good old days before computers were on every desk, you would take thelist of employees and manually count how many males and females were in eachdepart 
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