How to calculate Standard Deviation in Excel The Standard ... Read: How to insert Formulas and Functions in Microsoft Excel. Karan is a B.Tech, with several years of experience as an IT Analyst.

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 ...