Texas Instruments TI-82 STATS Manual Book page 376

Table of Functions and Instructions
Function or Instruction/
Arguments
1.PropZInt( x , n
[ confidence level]
,
2.PropZInt( x1 , n1 , x2
[ confidence level]
,
p0 x n
1.PropZTest( , ,
[ alternative drawflag]
, ,
x1 n1
2.PropZTest( , ,
[ alternative drawflag]
, ,
x y
Pt.Change( , )
x y[ mark]
Pt.Off( , , )
x y[ mark]
Pt.On( , , )
[Xlistname
PwrReg ,
Ylistname freqlist
, ,
regequ]
A–20 Tables and Reference Information
Result
Computes a one-proportion
z confidence interval.
)
, n2 Computes a two-proportion
z confidence interval.
)
Computes a one-proportion z test.
alternative=
)
is ƒ; alternative=
drawflag=
drawflag=
x2 n2 Computes a two-proportion z test.
,
alternative=
)
is ƒ; alternative=
drawflag=
drawflag=
Reverses a point at (x,y).
Erases a point at (x,y) using mark.
Draws a point at (x,y) using mark.
Fits a power regression model to
Xlistname and Ylistname with
frequency freqlist, and stores the
regression equation to regequ.
(continued)
is <; alternative=
L1
is >.
1
draws results;
1
calculates results.
0
is <; alternative=
L1
is >.
1
draws results;
1
calculates results.
0
Key or Keys/
Menu or Screen/Item
† ...
TESTS
A:1.PropZInt(
† ...
TESTS
B:2.PropZInt(
† ...
0 TESTS
5:1.PropZTest(
† ...
0 TESTS
6:2.PropZTest(
y [
]
DRAW
POINTS
3:Pt.Change(
y [
]
DRAW
POINTS
2:Pt.Off(
y [
]
DRAW
POINTS
1:Pt.On(
...
CALC
A:PwrReg
13-20
13-21
13-14
13-15
8-15
8-15
8-14
12-27