 |
average of sampled by
 |
![[*]](crossref.gif) |
 |
empirical covariance of random variables and sampled by
and
 |
![[*]](crossref.gif) |
 |
empirical variance of random variable sampled by
 |
![[*]](crossref.gif) |
 |
empirical correlation of and  |
![[*]](crossref.gif) |
 |
empirical covariance matrix of
or of the
random vector
 |
, ![[*]](crossref.gif) |
 |
empirical correlation matrix of
or of the
random vector
 |
, ![[*]](crossref.gif) |