A cumulative average recalculates a data set's average as new data is added. During the recalculation all data contained in the data set is included in the average. In Microsoft Excel your spreadsheet ...

Have you ever found yourself staring at a growing dataset in Excel, wondering how to make sense of the numbers without spending hours manually updating formulas? Whether you’re tracking monthly sales, ...

To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...