How to Calculate an Interquartile Mean in Excel. ... Type the following:=TRIMMEAN(array,0.5)into a blank cell in your spreadsheet. Change "array" to the actual location of your data set.

Excel 2010 includes a built-in function for computing the trimmed mean. Open a new Microsoft Excel 2010 spreadsheet. Click on cell "A1," and enter the first number in the data set you want to get ...

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Adding a condition to a simple revenue sheet might spell trouble in Microsoft Excel, but don't worry--a simple conditional function can handle the request.

I’m including demonstration files for both the .xlsx and .xls formats, but only RANK() will work in versions earlier than Excel 2010. Excel for the web supports all three ranking functions, for now.

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

Calculate the standard deviation of the historical returns compared to the mean determined in Step 3. In Excel, this can be achieved by using the STDEV function. 5.