Enter an equals sign in the function bar to the right of the function symbol. The formula below calculates the weighted average of. Insert a blank column in the source data type Amount.
How to Calculate the Weighted average in Excel.
Determine the weight of each data point. Select any cell in the pivot table to activate the PivotTable Tools and then click Analyze or Options Refresh. These weightings determine the relative importance of each quantity on the average. The first column column B in our example contains the grades for each assignment or test.