Table 1: Comparison of the Excel Standard Deviation Functionsįor compatibility, but may be discontinued in future versions of Excel) This will help you to decide which of the functions should be used when calculating a standard deviation in Excel. Table 1 (below) provides a description of the different types of standard deviation function. Im sure it is possible to perform a t-test with only the mean and stdev. However, the old functions are still available in current versions of Excel, in order to maintain compatibility with older versions.Ĭomparison of Functions for Calculating Standard Deviation in Excel That said, if there is no formula for this calculation, then you can always compute each product/quotient, then use the built in stdev () function on those columns to compute the standard deviation of each product/quotient. Some of the functions ignore text and logical values, while other functions treat these as numeric values (see Table 2 below for details).Īlso, when Excel 2010 was released, two of the existing standard deviation functions were updated and renamed.
There are a total of six different built-in functions for calculating standard deviation in Excel.
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