If data points are further from the mean ... before it is used. Excel can be used to calculate standard deviation. After entering your data, use the STDEV.S formula if your data set is numeric ...

So, that means that monthly returns within one standard deviation of the mean (2.33% ... and spreadsheet programs like Excel and Google Sheets have a built-in formula: =STDEV(point, [point2, ...

filadendron / Getty Images Standard deviation and ... the data set and the mean. Once you figure that out, square and average the results. Using software like Excel can help you in this process.

2. Find the daily standard deviation. Now, you will use the STDEV.S function in Excel. Place your cursor in D13 and type '=STDEV.S(D4:D12)' without the quotation marks. This formula calculates the ...

Using a simple Excel worksheet and the standard deviation function (stdev), you can see that Fund A's standard deviation is zero (meaning its returns don't vary around the mean). In contrast ...