Texas Instruments TI-82 STATS - Page 381

Tables and Reference Information A–25
826DEC~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 2:20 PM Printed: 10/27/05 3:09
PM Page 25 of 58
Function or Instruction/
A
rguments Result
Key or Keys/
Menu or Screen/Item
2.SampTTest
v
1,Sx1,n1,
v
2,Sx2,n2[,alternativ
e
,
p
ooled,draw
f
la
g
]
(Summary stats input)
Com
p
utes a two-sam
p
le
t
test.
alternativ
e
=L1 is <; alternativ
e
=0
is ƒ; alternativ
e
=1 is >.
p
ooled=1
p
ools variances;
p
ooled=0 does
not
p
ool variances. draw
f
la
g
=1
draws results; draw
f
la
g
=0
calculates results.
†
…
TESTS
4:2.SampTTest
13-13
2.SampZInt(
s
1,
s
2
[,listname1,listname2,
f
re
q
list1,
f
re
q
list2,
con
f
idence leve
l
])
(Data list input)
Com
p
utes a two-sam
p
le
z
confidence interval.
†
…
TESTS
9:2.SampZInt(
13-18
2.SampZInt(
s
1,
s
2
,
v
1,n1,
v
2,n2
[
,con
f
idence leve
l
])
(Summary stats input)
Com
p
utes a two-sam
p
le
z
confidence interval.
†
…
TESTS
9:2.SampZInt(
13-18
2.SampZTest(
s
1,
s
2
[,listname1,listname2,
f
re
q
list1,
f
re
q
list2,
alternativ
e
,draw
f
la
g
])
(Data list input)
Com
p
utes a two-sam
p
le
z
test.
alternativ
e
=L1 is <; alternativ
e
=0
is ƒ ; alternativ
e
=1 is >.
draw
f
la
g
=1 draws results;
drawflag=
0 calculates results.
†
…
TESTS
3:2.SampZTest(
13-12
2.SampZTest(
s
1,
s
2
,
v
1,n1,
v
2,n2
[
,alternativ
e
,draw
f
la
g
])
(Summary stats input)
Com
p
utes a two-sam
p
le
z
test.
alternativ
e
=L1 is <; alternativ
e
=0
is ƒ; alternativ
e
=1 is >.
draw
f
la
g
=1 draws results;
drawflag=
0 calculates results.
†
…
TESTS
3:2.SampZTest(
13-12
Sci Sets scientific notation dis
p
la
y
mode.
†
z
Sci 1-10
Select(Xlistname,
Ylistname)
Selects one or more s
p
ecific dat
a
p
oints from a scatter
p
lot o
r
x
y
Line
p
lot
(
onl
y)
, and then
stores the selected data
p
oints to
two new lists, Xlistname and
Ylistname.
y [LIST]
OPS
8:Select(
11-12