Texas Instruments TI-84 Plus Manual Book page 167

Function or
Instruction/Arguments
1
v
2-SampTTest
v2 Sx2 n2 alternative
[
, , ,
pooled drawflag
]
,
(Summary stats input)
s
2-SampZInt( ,
1
listname1 listname2
[
, ,
freqlist1 freqlist2
,
confidence level
]
)
(Data list input)
s
2-SampZInt( ,
1
1 n1 2 n2
v v
, , ,
confidence level
[
,
(Summary stats input)
s
2-SampZTest(
1
listname1 listname2
[
, ,
freqlist1 freqlist2
,
alternative drawflag
,
(Data list input)
s
2-SampZTest(
1
1 n1 2 n2
v v
, , ,
alternative drawflag
[
, ,
(Summary stats input)
Sci
Appendix A: Functions and Instructions
Result
Sx1 n1
Computes a two-sample
, , ,
alternative
test.
,
alternative
alternative
pools variances;
does not pool variances.
drawflag
drawflag
results.
s
Computes a two-sample
2
confidence interval.
,
,
s
, Computes a two-sample
2
confidence interval.
]
)
,s
Computes a two-sample
2
alternative
test.
,
alternative
,
alternative
]
)
drawflag
drawflag
results.
,s ,
Computes a two-sample
2
alternative
test.
alternative
]
)
alternative
drawflag
drawflag
results.
Sets scientific notation
display mode.
=L is ;
1 <
is ƒ;
=
0
pooled
= is . =
1 >
pooled
=
= draws results;
1
= calculates
0
=L is ;
1 <
is ƒ;
=
0
= is .
1 >
= draws results;
1
= calculates
0
=L is ;
1 <
is ƒ;
=
0
= is .
1 >
= draws results;
1
= calculates
0
Key or Keys/Menu
or Screen/Item
† ...
t
TESTS
4:2-SampTTest
1
0
† ...
z
TESTS
9:2-SampZInt(
† ...
z
TESTS
9:2-SampZInt(
† ...
z
TESTS
3:2-SampZTest(
† ...
z
TESTS
3:2-SampZTest(
† z
Sci
159