Final answer:
A pivot table is an interactive view of worksheet data that allows users to summarize the data by selecting categories to group the data.
Step-by-step explanation:
The interactive view of worksheet data that gives a user the ability to summarize the data by selecting categories in which to group the data is called a Pivot table. Pivot tables are a powerful tool in spreadsheet programs like Microsoft Excel. They allow you to rearrange and summarize large amounts of data in a convenient way.