Mean & Standard deviation

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Calculate the mean, variance and standard deviation in samples of small size.

This application allows you to calculate the mean, variance and standard deviation in samples of small size.

After entering each value, press the button to enter. To get final results, enter an empty value.

Use the C button to clear the value that you are entering at the moment. The preceding value will be deleted by pressing C button one more time again.

Quickly calculate the standard deviation of a list of numbers.

In statistics, the standard deviation (SD) (represented by the Greek letter sigma, σ) is a measure that is used to quantify the amount of variation or dispersion of a set of data values.

A low standard deviation indicates that the data points tend to be very close to the mean of the set, while a high standard deviation indicates that the data points are spread out over a wider range of values.