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 ...

It is difficult to calculate these values manually and while calculators make it easier, Excel is the preferred tool for finding these values over a range of cells.

Open a new Microsoft Excel 2010 spreadsheet. Click on cell "A1," and enter the first number in the data set you want to get the trimmed mean for.

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