How to Calculate T-Value From Mean & Standard Deviation in Excel. Calculate t-values in your Microsoft Excel spreadsheet by combining built-in functions with custom formulas. T-values, also known ...

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.

How to Calculate Variance in Excel To calculate variance in Excel, you will need to have your data set already entered into the software. Once you have your data, you can choose your formula based ...