When you have the average production of three machines, it is easy to calculate the average or mean production. You just add ...

Calculate your T-Value by taking the difference between the mean and population mean and dividing it over the standard deviation divided by the degrees of freedom square root.

How to Calculate Standard Deviation of Cash Flows in Excel. When reviewing cash flow data for your small business, knowing the standard deviation can help you determine if the numbers are out of ...

Learn the standard deviation formula, how to calculate it, and its importance in data analysis. Step-by-step guide with examples.

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.

If you are looking forward towards calculating the Standard Deviation and Standard Error of the Mean in Excel, please check this article.

The equation for the standard error of the mean is the sample standard deviation divided by the square root of the sample size.

Annualized volatility = standard deviation (volatility) multiplied by the square root of the periods in the year. For example, you might calculate the volatility of daily stock returns.