Learn how to calculate Weighted Average in Excel with percentages using the SUM function and the SUMPRODUCT function.

Learn how to calculate simple, weighted and exponential moving averages in Microsoft Excel using Data Analysis Tool Pack or Formula.

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.

You can calculate the T-Value in Excel with the mean, standard deviation and degrees of freedom. Since the T-Value is a comparison between sample mean and population mean, both values need to be ...

Learn how to calculate the net present value (NPV) of your investment projects using Excel's XNPV function.