Calculate standard deviation and variance

You can easily calculate the standard deviation and the variance with DATAtab, just copy your data into the upper table and select the variables you want to evaluate. Make sure that your variables are classified as metric.

Standard deviation calculator

To calculate the standard deviation, simply click on one or more metric variables. The calculation of the standard deviation is already pre-selected.

Just try it with the data already inserted, the standard deviation can be calculated quite easily.

Calculate standard deviation online

With it you can easily calculate the standard deviation online. You can then copy the result, along with many other descriptive statistics.

If you want to learn more about the standard deviation just have a look at our tutorial about the standard deviation .

Thus, the standard deviation of the population is estimated with a sample. Therefore, the following formula is used to calculate the standard deviation:

Variance calculator

If you want to calculate the variance of your data, simply copy your data into the upper table, select one or more variables and click on "Calculate Variance" in the options.

Calculate variance online

The variance is a measure of the dispersion of your data from the mean. A low variance indicates that your data does not deviate much from the mean. A high variance indicates that the data values have a greater variability and deviate more from the mean.