# Chebyshev's inequality

- statistics the fundamental theorem that the probability that a random variable differs from its mean by more than k standard deviations is less than or equal to 1/ k ²

Show More

## Word Origin for Chebyshev's inequality

named after P. L. Chebyshev (1821–94), Russian mathematician

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012