Tables and Reference Information A-25
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 25 of 58
Function or Instruction/
Arguments Result Key or Keys/
Menu or Screen/Item
2.SampTTest
v
1,Sx1,n1,
v
2,Sx2,n2[,alternative,
pooled,drawflag]
(Summary stats input)
Computes a two-sample t test.
alternative=L1 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
2.SampZInt(
s
1,
s
2
[,listname1,listname2,
freqlist1,freqlist2,
confidence level])
(Data list input)
Computes a two-sample z
confidence interval.
† …
TESTS
9:2.SampZInt(
13-18
2.SampZInt(
s
1,
s
2
,
v
1,n1,
v
2,n2
[,confidence level])
(Summary stats input)
Computes a two-sample z
confidence interval.
† …
TESTS
9:2.SampZInt(13-18
2.SampZTest(
s
1,
s
2
[,listname1,listname2,
freqlist1,freqlist2,
alternative,drawflag])
(Data list input)
Computes a two-sample z test.
alternative=L1 is <;
alternative=0 is ƒ ;
alternative=1 is >. drawflag=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
[,alternative,drawflag])
(Summary stats input)
Computes a two-sample z test.
alternative=L1 is <;
alternative=0 is ƒ;
alternative=1 is >. drawflag=1
draws results; drawflag=0
calculates results.
† …
TESTS
3:2.SampZTest(
13-12
Sci Sets scientific notation display
mode.
† z
Sci 1-10
Select(Xlistname,
Ylistname)Selects one or more specific
data points from a scatter plot
or xyLine plot (only), and then
stores the selected data points
to two new lists, Xlistname
and Ylistname.
y [LIST]
OPS
8:Select(
11-12