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 ...

Calculating the standard deviation and T-Value against that data set results in a realistic range against the historic data.

Pooled standard deviation is a useful tool when analyzing data sets. It is especially helpful when you’ve taken the time to properly weigh your standard deviations so everything is in balance.

Learn how to calculate Standard Deviationin Excel. The STDEV function can be used to estimate standard deviation based on sample in Excel.

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.