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 ...