Standard Deviation

Work out the standard deviation and variance (sample and population).

Separate numbers with a comma, space or new line.

Std deviation (sample)4.6904
Std deviation (population)4.2817
Mean13
Variance (sample)22
Variance (population)18.3333
Count6

How it works

Calculate standard deviation and variance for a sample or population to measure how spread out the values are.

Frequently asked questions

What does standard deviation measure?

It measures how far values typically lie from their mean.

Should I choose sample or population?

Choose population for all available data and sample for part of a larger set.

What does a small value mean?

It means the values are clustered near the mean.