<s>
In	O
statistics	O
,	O
rankits	B-Application
of	O
a	O
set	O
of	O
data	O
are	O
the	O
expected	O
values	O
of	O
the	O
order	B-General_Concept
statistics	I-General_Concept
of	O
a	O
sample	O
from	O
the	O
standard	O
normal	O
distribution	O
the	O
same	O
size	O
as	O
the	O
data	O
.	O
</s>
<s>
They	O
are	O
primarily	O
used	O
in	O
the	O
normal	B-Application
probability	I-Application
plot	I-Application
,	O
a	O
graphical	B-Application
technique	I-Application
for	O
normality	O
testing	O
.	O
</s>
<s>
sample	O
of	O
six	O
items	O
is	O
taken	O
from	O
a	O
normally	O
distributed	O
population	O
with	O
expected	O
value	O
0	O
and	O
variance	O
1	O
(	O
the	O
standard	O
normal	O
distribution	O
)	O
and	O
then	O
sorted	O
into	O
increasing	O
order	O
,	O
the	O
expected	O
values	O
of	O
the	O
resulting	O
order	B-General_Concept
statistics	I-General_Concept
are	O
:	O
</s>
<s>
These	O
points	O
are	O
then	O
plotted	O
as	O
the	O
vertical	O
and	O
horizontal	O
coordinates	O
of	O
a	O
scatter	B-Application
plot	I-Application
.	O
</s>
<s>
Alternatively	O
,	O
rather	O
than	O
sort	O
the	O
data	O
points	O
,	O
one	O
may	O
rank	O
them	O
,	O
and	O
rearrange	O
the	O
rankits	B-Application
accordingly	O
.	O
</s>
<s>
One	O
rearranges	O
the	O
expected	O
normal	O
order	B-General_Concept
statistics	I-General_Concept
accordingly	O
,	O
getting	O
the	O
rankits	B-Application
of	O
this	O
data	O
set	O
:	O
</s>
<s>
A	O
graph	O
plotting	O
the	O
rankits	B-Application
on	O
the	O
horizontal	O
axis	O
and	O
the	O
data	O
points	O
on	O
the	O
vertical	O
axis	O
is	O
called	O
a	O
rankit	B-Application
plot	I-Application
or	O
a	O
normal	B-Application
probability	I-Application
plot	I-Application
.	O
</s>
<s>
Rankit	B-Application
plots	I-Application
are	O
usually	O
used	O
to	O
visually	O
demonstrate	O
whether	O
data	O
are	O
from	O
a	O
specified	O
probability	O
distribution	O
.	O
</s>
<s>
A	O
rankit	B-Application
plot	I-Application
is	O
a	O
kind	O
of	O
Q	B-Application
–	I-Application
Q	I-Application
plot	I-Application
–	O
it	O
plots	O
the	O
order	B-General_Concept
statistics	I-General_Concept
(	O
quantiles	O
)	O
of	O
the	O
sample	O
against	O
certain	O
quantiles	O
(	O
the	O
rankits	B-Application
)	O
of	O
the	O
assumed	O
normal	O
distribution	O
.	O
</s>
<s>
Q	B-Application
–	I-Application
Q	I-Application
plots	I-Application
may	O
use	O
other	O
quantiles	O
for	O
the	O
normal	O
distribution	O
,	O
however	O
.	O
</s>
<s>
The	O
rankit	B-Application
plot	I-Application
and	O
the	O
word	O
rankit	B-Application
was	O
introduced	O
by	O
the	O
biologist	O
and	O
statistician	O
Chester	O
Ittner	O
Bliss	O
(	O
18991979	O
)	O
.	O
</s>
