Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

Averages are typically computed as the sum of values divided by the number of data points. However, averages are also calculable from percentages. As an example, grades in a course might be weighted ...

You can find the Average of a value by selecting the cell below or to the right of values that you want to Average. Then go to the Editing Group, select the Auto-Sum Tool. You will see a drop-down ...

The SUBTOTAL function in Excel is a powerful alternative to SUM, AVERAGE, and MIN, particularly when working with filtered data or hidden rows. Unlike SUM, SUBTOTAL adjusts dynamically to display only ...