.
.
a
>,
which
is
"
never
proved
or
established
,
but
is
possibly
disproved
,
in
the
course
of
experimentation
".<
sup
id
="
cite_ref
-
FOOTNOTEFisher1971Chapter_II
.
_The_Principles_of_Experimentation
,
_Illustrated_by_a_Psycho
-
physical_Experiment
,
_Section_8
.
_The_Null_Hypothesis_2
-
0
"
class
="
reference
"
style
="
line
-
height
:
1
;
unicode
-
bidi
:
isolate
;
white
-
space
:
nowrap
;
font
-
size
:
11
.
2px
;"><
a
style
="
text
-
decoration
-
line
:
none
;
color
:
#
0b0080
;
background
:
none
;"
href
="
https
://
en
.
wikipedia
.
org
/
wiki
/
Lady_tasting_tea
#
cite_note
-
FOOTNOTEFisher1971Chapter_II
.
_The_Principles_of_Experimentation
,
_Illustrated_by_a_Psycho
-
physical_Experiment
,
_Section_8
.
_The_Null_Hypothesis
-
2
">[
2
]
a
>
sup
><
sup
id
="
cite_ref
-
oed_3
-
0
"
class
="
reference
"
style
="
line
-
height
:
1
;
unicode
-
bidi
:
isolate
;
white
-
space
:
nowrap
;
font
-
size
:
11
.
2px
;"><
a
style
="
text
-
decoration
-
line
:
none
;
color
:
#
0b0080
;
background
:
none
;"
href
="
https
://
en
.
wikipedia
.
org
/
wiki
/
Lady_tasting_tea
#
cite_note
-
oed
-
3
">[
3
]
a
>
sup
>
p
>
<
br
><
p
style
="
margin
:
0
.
5em
0px
;
line
-
height
:
inherit
;
color
:
#
222222
;
font
-
family
:
sans
-
serif
;">
The
lady
in
question
(<
a
style
="
text
-
decoration
-
line
:
none
;
color
:
#
0b0080
;
background
:
none
;"
title
="
Muriel
Bristol
"
href
="
https
://
en
.
wikipedia
.
org
/
wiki
/
Muriel_Bristol
">
Muriel
Bristol
a
>)
claimed
to
be
able
to
tell
<
a
style
="
text
-
decoration
-
line
:
none
;
color
:
#
0b0080
;
background
:
none
;"
title
="
Tea
in
the
United
Kingdom
"
href
="
https
://
en
.
wikipedia
.
org
/
wiki
/
Tea_in_the_United_Kingdom
#
The_question_of_milk
">
whether
the
tea
or
the
milk
was
added
first
to
a
cup
a
>.
Fisher
proposed
to
give
her
eight
cups
,
four
of
each
variety
,
in
random
order
.
One
could
then
ask
what
the
probability
was
for
her
getting
the
specific
number
of
cups
she
identified
correct
,
but
just
by
chance
.
p
>
<
br
><
p
style
="
margin
:
0
.
5em
0px
;
line
-
height
:
inherit
;
color
:
#
222222
;
font
-
family
:
sans
-
serif
;">
Fisher
'
s
description
is
less
than
10
pages
in
length
and
is
notable
for
its
simplicity
and
completeness
regarding
terminology
,
calculations
and
design
of
the
experiment