Variables 
and 
are said to be uncorrelated if their
covariance is zero:
 |
Independent statistics are always uncorrelated, but the converse is not necessarily true.
Uncorrelated
See also
Covariance, Independent Statistics, Uncorrelated NumbersExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Uncorrelated." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Uncorrelated.html