Calculate the weighted average of interest rates in Microsoft Excel to compute the most accurate average interest rate among a group of lenders who received different rates.

However, averages are also calculable from percentages. As an example, grades in a course might be weighted differently between tests. If that's the case, a simple average would bias the result.

Economy News:Use ‘Sumproduct’ for weighted averageHere’s another important MS Excel tip, one that I got from one of our clients. It has made my life so much simpler. Thank you, Krishnan! Let ...