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STDEV – STDEV.S was introduced in Excel 2010.
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Text and FALSE are taken as 0 and TRUE is taken as 1. STDEVA – Use this when you want to include text and logical values in the calculation (along with numbers).STDEV.S – Use this when your data is numeric.Now let’s understand these three formulas: this narrows down the number of formulas to three (STDEV.S, STDEVA, and STDEV function) You can read a great explanation of it here (read the first response). You can use the sample data to calculate the standard deviation and infer for the entire population.
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In such a case, you pick a sample from the population. On the other hand, you use term ‘sample’ when using a population is not possible (or it’s unrealistic to do so). In almost all of the cases, you will use standard deviation for a sample.Īgain in layman terms, you use the term ‘population’ when you want to consider all the datasets in the entire population.