You can calculate the T-Value in Excel with the mean, standard deviation and degrees of freedom. Since the T-Value is a comparison between sample mean and population mean, both values need to be ...

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.

For example, if the range of data is in cells A2 through A13, type "=STDEV (A2:A13)" to calculate standard deviation.

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.

Understand the basics of standard deviation and Z-score, and learn how each is calculated and used in the assessment of market volatility.