<s>
Hoeffding	O
derived	O
an	O
unbiased	O
estimator	O
of	O
that	O
can	O
be	O
used	O
to	O
test	O
for	O
independence	O
,	O
and	O
is	O
consistent	O
for	O
any	O
continuous	O
alternative	B-General_Concept
.	O
</s>
