Texas Instruments TI-83 Guide Book

A-24 Tables and Reference Information
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 24 of 58
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
2
.
Samp
Ü
Test
[
listname1
,
listname2
,
freqlist1
,
freqlist2
,
alternative
,
drawflag
]
(Data list input)
Performs a two-sample
Û
test.
alternative
=
L
1
is
<
;
alternative
=
0
is
ƒ
;
alternative
=
1
is
>
.
drawflag
=
1
draws results;
drawflag
=
0
calculates results.
†
…
TESTS
D:2
.
Samp
Û
Test
13
-
23
2
.
Samp
Ü
Test
Sx1
,
n1
,
Sx2
,
n2
[
,
alternative
,
drawflag
]
(Summary stats input)
Performs a two-sample
Û
test.
alternative
=
L
1
is
<
;
alternative
=
0
is
ƒ
;
alternative
=
1
is
>
.
drawflag
=
1
draws results;
drawflag
=
0
calculates results.
†
…
TESTS
D:2
.
Samp
Û
Test
13
-
23
2
.
SampTInt
[
listname1
,
listname2
,
freqlist1
,
freqlist2
,
confidence level
,
pooled
]
(Data list input)
Computes a two-sample
t
confidence interval.
pooled
=
1
pools variances;
pooled
=
0
does
not pool variances.
†
…
TESTS
0:2
.
SampTInt
13
-
19
2
.
SampTInt
v 1
,
Sx1
,
n1
,
v 2
,
Sx2
,
n2
[
,
confidence level
,
pooled
]
(Summary stats input)
Computes a two-sample
t
confidence interval.
pooled
=
1
pools variances;
pooled
=
0
does
not pool variances.
†
…
TESTS
0:2
.
SampTInt
13
-
19
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
13
-
13

Texas Instruments TI-83 Specifications

General

Programming	TI-BASIC
Processor	Zilog Z80, 6 MHz
Weight	7.4 oz (210 g)
Display	96x64 pixels, monochrome LCD
Power Source	4 AAA batteries, 1 CR1616 or CR1620 for backup
Memory	32 KB RAM
Connectivity	2.5mm I/O port for linking with other TI calculators