What is the purpose of the SUM function in spreadsheets?

The purpose of the SUM function in spreadsheets is to calculate the total sum of a specific range of values. When you apply this function, it adds together all the numbers within the designated range and returns the total, allowing for easy aggregation of data. This is particularly useful in financial modeling, budgeting, or any scenario where quantifying totals is necessary. Understanding how to effectively use the SUM function is fundamental in spreadsheet modeling, as it streamlines the process of data analysis and reporting by quickly producing total figures without the need for manual calculations.

The other functions mentioned serve distinctly different purposes. For instance, finding the highest value in a range pertains to a different function entirely, which focuses on determining maxima. Similarly, counting entries or determining median values involves different functions and calculations that do not relate to summing numerical values. Therefore, choosing the option that describes the SUM function accurately aligns with its core functionality in spreadsheet applications.