Texas Instruments TI-83 - page 685

TI-83 Plus Tables and Reference Information 682
Function or Instruction/
Arguments Result Key or Keys/ Menu or Screen/Item
2.SampTTest [listname1,
listname2,
f
re
q
list1,
f
re
q
list2,alternative,
p
ooled,draw
f
la
g
]
(Data list input)
Computes a two-sample t test.
alternative=L1 is <; alternative=0 is
ƒ; alternative=1 is >.
p
ooled=1 pools
variances;
p
ooled=0 does not pool
variances. draw
f
la
g
=1 draws results;
drawflag=0 calculates results.
† …
TESTS
4:2-SampTTest
2.SampTTest
v
1,Sx1,n1,
v
2,Sx2,n2[,alternative,
p
ooled,draw
f
la
g
]
(Summary stats input)
Computes a two-sample t test.
alternative=L1 is <; alternative=0 is
ƒ; alternative=1 is >.
p
ooled=1 pools
variances;
p
ooled=0 does not pool
variances. draw
f
la
g
=1 draws results;
drawflag=0 calculates results.
† …
TESTS
4:2-SampTTest
2.SampZInt(
s
1,
s
2
[,listname1,listname2,
f
re
q
list1,
f
re
q
list2,
con
f
idence 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
[,con
f
idence level])
(Summary stats input)
Computes a two-sample z
confidence interval. † …
TESTS
9:2-SampZInt(
2.SampZTest(
s
1,
s
2
[,listname1,listname2,
f
re
q
list1,
f
re
q
list2,
alternative,draw
f
la
g
])
(Data list input)
Computes a two-sample z test.
alternative=L1 is <; alternative=0 is
ƒ; alternative=1 is >. draw
f
la
g
=1
draws results; draw
f
la
g
=0 calculates
results.
† …
TESTS
3:2-SampZTest(