What is a Top Values query? Give an example of why you would want to create a subset of your data

What will be an ideal response?

A Top Values query first sorts and then filters your data to return the top or bottom values within a field. You can use a Top Values query to search for numeric, currency, and date values. An occasion may exist where you only want to view a subset—portion or part—of your query dataset by selecting either a percentage or a fixed number of records. For example, you may want to view the customers who are the bottom 10% of overall customer purchases.