This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

Excel's Total Row uses smart SUBTOTAL logic to ignore hidden data, adapt to filters, flag text errors, and measure ...

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 ...

There might be some numbers you're missing when summing it up.

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?