How to calculate Standard Deviation in Excel The Standard Deviation is a term used in statistics. The term describes how much the numbers if a set of data vary from the mean.

Microsoft Excel can perform statistical calculations across a wide set of data. Performing a T-Value Formula is simple so long as each column is set up correctly to accept the mean and standard ...

This article looks at how to use Excel’s auditing tools to audit formulas and ensure the accuracy of data.

Excel's STDEV formula can automatically calculate the standard deviation of any set of numbers, so you don't have to go through the math yourself.

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Key Points Use Excel to calculate daily returns and standard deviation to gauge stock volatility. Annualize volatility by multiplying daily standard deviation by the square root of 252.