Which of the following actions can you perform using Excel's AutoSum feature?

The AutoSum feature in Excel is a powerful tool that streamlines the process of performing common calculations on data. When using AutoSum, you can efficiently add up a range of numbers by selecting the cell immediately below the column of numbers you want to sum or the cell immediately to the right of the row. This built-in function not only simplifies addition but also offers quick access to other fundamental statistical calculations.

Using the AutoSum dropdown, you can calculate the average of a selected range, enabling you to determine the mean of the numerical entries quickly. Additionally, AutoSum provides the ability to count the number of cells that contain numeric entries, which is useful for data analysis.

Because of its versatility in performing these calculations—addition, averaging, and counting—it's accurate to state that the AutoSum feature encompasses all these functionalities, making the conclusion that it can perform all of the given actions valid. This multifaceted approach allows users to efficiently analyze and summarize data without needing to input complex formulas manually.