Structures may contain variables of many different data types—in contrast to ___________ that contain only elements of the same data type.

When a chart is selected, three buttons display to the right, the first of which is the ________ button

A) Chart Elements B) Chart Layouts C) Chart Styles D) Chart Filter

Grouping data with aggregate functions enables you to see ____________ for categories of data.

a. subtotals b. individual values c. grand total