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Texas Instruments TI-82 STATS - Page 386

Texas Instruments TI-82 STATS
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A–30 Tables and Reference Information
826DEC~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 2:20 PM Printed: 10/27/05 3:09
PM Page 30 of 58
Function or Instruction/
A
rguments Result
Key or Keys/
Menu or Screen/Item
Time Sets se
q
uence
g
ra
p
hs to
p
lot wit
h
respect to time.
y [FORMAT]
Time 6-8
TInterval [listname,
f
re
q
lis
t
,con
f
idence leve
l
]
(Data list input)
Computes a t confidence interval.
TESTS
8:TInterval 13-17
TInterval
v
,Sx,n
[
,con
f
idence leve
l
]
(Summary stats input)
Computes a t confidence interval.
TESTS
8:TInterval 13-17
tpdf(x,df) Com
p
utes the
p
robabilit
y
densit
y
function
(p
df
)
for the Student-
t
distribution at a s
p
ecified
x
value
with s
p
ecified de
g
rees of freedo
m
df.
y [DISTR]
DISTR
4:tpdf(
13-30
Trace Dis
p
la
y
s the
g
ra
p
h and enters
TRACE mode.
r
3-18
T-Test
m
0[,listname,
f
re
q
lis
t
,alternativ
e
,
draw
f
la
g
]
(Data list input)
Performs a
t
test with fre
q
uenc
y
f
re
q
lis
t
. 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
2:T-Test
13-11
T-Test
m
0, v,Sx,n
[
,alternativ
e
,draw
f
la
g
]
(Summary stats input)
Performs a
t
test with fre
q
uenc
y
f
re
q
lis
t
. 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
2:T-Test
13-11
Table of Functions and Instructions (continued)

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