<s>
A	O
fan	B-Application
chart	I-Application
is	O
made	O
of	O
a	O
group	O
of	O
dispersion	O
fan	O
diagrams	O
,	O
</s>
<s>
reports	O
the	O
same	O
information	O
about	O
a	O
dispersion	O
as	O
a	O
box	B-Application
plot	I-Application
:	O
</s>
<s>
A	O
fan	B-Application
chart	I-Application
gives	O
a	O
quick	O
summary	O
of	O
observed	O
values	O
which	O
depend	O
from	O
two	O
variables	O
.	O
</s>
