Step 3: Type the expressions in cells A6, B6, B8 and B9 as shown in the figure above. Microsoft Excel has special functions for working out standard deviation of a sample and population. To select the appropriate standard deviation formula, the following points must be considered: The standard deviation is being calculated for a population or sample. The type of values of the data set. It is available in Excel 2003 and all later versions up to Excel 2019. In such a case, you pick a sample from the population. Note that this is a sample drawn from the entire population of that town. Just take the square root of the answer from Step 4 and we're done. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f0\/Start-a-New-Day-Step-16.jpg\/v4-460px-Start-a-New-Day-Step-16.jpg","bigUrl":"\/images\/thumb\/f\/f0\/Start-a-New-Day-Step-16.jpg\/v4-728px-Start-a-New-Day-Step-16.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
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