Discover what quartiles are in statistics, how to calculate them, and see examples to help you interpret data more ...

This column shows how to use the Data Table option in Excel’s What-If Analysis tool.

Use the tools and techniques of data analysis to make sense of mountains of information.

Vertical analysis looks at the contributing percentage of each line item to the total base figure. Here’s an example.

Process analysis includes analyzing these data and using the results to identify ways to improve customer service. This illustrates the importance of data analysis in process examination.

Today, some of that detective work is being made easier thanks to a new emphasis on data analysis in police departments. For example, departments can now detect correlations between statistics ...

For example, data analysis revealed that the best differentiator between high and low levels of engagement was an employee's belief about whether Alcoa has an outstanding future (a statement on the ...