Excel Guides

## Calculating a Geometric Standard Deviation in Excel

To calculate a geometric standard deviation in Excel, you'll need to use the STDEV function. This function returns the standard deviation of a population based on a sample of numbers. The standard deviation is a measure of how spread out the values are. It's calculated by taking the square root of the variance. The variance is the average of the squared differences from the mean. To calculate the variance, you'll need to use the VAR function. The VAR function takes two arguments: the array of values and the number of decimal places to round to.

To calculate the geometric standard deviation, you'll first need to calculate the mean. You can do this by using the AVERAGE function. The AVERAGE function takes one argument: the array of values that you want to find the average of.

Once you have the mean, you can then use the STDEV function to calculate the standard deviation. The STDEV function takes two arguments: the array of values and the number of decimal places to round to.

You can then use the VAR function to calculate the variance. The VAR function takes two arguments: the array of values and the number of decimal places to round to.

Once you have both the standard deviation and variance, you can then take their square roots to get the geometric standard deviation.

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