TI-83 Plus
Tables and Reference Information
682
Function or Instruction/
Arguments
Result
Key or Keys/
Menu or Screen/Item
2
.
SampTTest
[
listname1
,
listname2
,
freqlist1
,
freqlist2
,
alternative
,
pooled
,
drawflag
]
(Data list input)
Computes a two-sample
t
test.
alternative
=
L
1 is <;
alternative
=0 is
ƒ
;
alternative
=1 is >.
pooled
=1 pools
variances;
pooled
=0 does not pool
variances.
drawflag
=1 draws results;
drawflag
=0 calculates results.
†
…
TESTS
4:2-SampTTest
2
.
SampTTest
v
1
,
Sx1
,
n1
,
v
2
,
Sx2
,
n2
[,
alternative
,
pooled
,
drawflag
]
(Summary stats input)
Computes a two-sample
t
test.
alternative
=
L
1 is <;
alternative
=0 is
ƒ
;
alternative
=1 is >.
pooled
=1 pools
variances;
pooled
=0 does not pool
variances.
drawflag
=1 draws results;
drawflag
=0 calculates results.
†
…
TESTS
4:2-SampTTest
2
.
SampZInt(
s
1
,
s
2
[,
listname1
,
listname2
,
freqlist1
,
freqlist2
,
confidence level
])
(Data list input)
Computes a two-sample
z
confidence interval.
†
…
TESTS
9:2-SampZInt(
2
.
SampZInt(
s
1
,
s
2
,
v
1
,
n1
,
v
2
,
n2
[,
confidence level
])
(Summary stats input)
Computes a two-sample
z
confidence interval.
†
…
TESTS
9:2-SampZInt(
2
.
SampZTest(
s
1
,
s
2
[,
listname1
,
listname2
,
freqlist1
,
freqlist2
,
alternative
,
drawflag
])
(Data list input)
Computes a two-sample
z
test.
alternative
=
L
1 is <;
alternative
=0 is
ƒ
;
alternative
=1 is >.
drawflag
=1
draws results;
drawflag
=0 calculates
results.
†
…
TESTS
3:2-SampZTest(
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