## Definitions

### from Wiktionary, Creative Commons Attribution/Share-Alike License.

- noun
*statistics*The theorem that in any data sample with finite variance, the probability of any random variable X lying within an arbitrary real k number ofstandard deviations of themean is 1 / k2, i.e. assuming mean μ and standard deviation σ, the probability Pr is:

## Etymologies

### from Wiktionary, Creative Commons Attribution/Share-Alike License

From surname of Pafnuty Chebyshev, the discoverer.

## Examples

Sorry, no example sentences found.

## Comments

Log in or sign up to get involved in the conversation. It's quick and easy.