A-20 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 20 of 58
Function or Instruction/
Arguments Result Key or Keys/
Menu or Screen/Item
1.PropZInt(x,n
[,confidence level])Computes a one-proportion
z confidence interval.
† …
TESTS
A:1.PropZInt(13-20
2.PropZInt(x1,n1,x2,n2
[,confidence level])Computes a two-proportion
z confidence interval.
† …
TESTS
B:2.PropZInt(13-21
1.PropZTest(p0,x,n
[,alternative,drawflag])Computes a one-proportion
z test. alternative=L1 is <;
alternative=0 is ƒ;
alternative=1 is >. drawflag=1
draws results; drawflag=0
calculates results.
† …
TESTS
5:1.PropZTest(
13-14
2.PropZTest(x1,n1,x2,n2
[,alternative,drawflag])Computes a two-proportion
z test. alternative=L1 is <;
alternative=0 is ƒ;
alternative=1 is >. drawflag=1
draws results; drawflag=0
calculates results.
† …
TESTS
6:2.PropZTest(
13-15
Pt.Change(x,y)Reverses a point at (x,y). y [DRAW]
POINTS
3:Pt.Change( 8-15
Pt.Off(x,y[,mark])Erases a point at (x,y) using
mark.
y [DRAW]
POINTS
2:Pt.Off( 8-15
Pt.On(x,y[,mark])Draws a point at (x,y) using
mark.
y [DRAW]
POINTS
1:Pt.On( 8-14
PwrReg [Xlistname,
Ylistname,freqlist,
regequ]
Fits a power regression model
to Xlistname and Ylistname
with frequency freqlist, and
stores the regression equation
to regequ.
…
CALC
A:PwrReg
12-27