<s>
The	O
Q-statistic	B-General_Concept
is	O
a	O
test	B-General_Concept
statistic	I-General_Concept
output	O
by	O
either	O
the	O
Box-Pierce	B-General_Concept
test	I-General_Concept
or	O
,	O
in	O
a	O
modified	O
version	O
which	O
provides	O
better	O
small	O
sample	O
properties	O
,	O
by	O
the	O
Ljung-Box	B-General_Concept
test	I-General_Concept
.	O
</s>
<s>
The	O
q	B-General_Concept
statistic	I-General_Concept
or	O
studentized	O
range	O
statistic	O
is	O
a	O
statistic	O
used	O
for	O
multiple	O
significance	O
testing	O
across	O
a	O
number	O
of	O
means	O
:	O
see	O
Tukey	B-General_Concept
–	I-General_Concept
Kramer	I-General_Concept
method	I-General_Concept
.	O
</s>
