When you have a lot of data, it can sometimes be difficult to analyze all of the information in your worksheet. PivotTables can help make your worksheets more manageable by summarizing data and allowing you to manipulate it in different ways.
In this video (Part 1 of 2), GCF Learn Free will show you how to insert and edit a PivotTable.
If you are interested in learning more about this topic, please visit their site at http://www.gcflearnfree.org/excel2013 to view the entire tutorial on the website. It includes instructional text, informational graphics, examples, and even interactives for you to practice and apply what you’ve learned.