Texas Instruments TI-84 Plus Manual Book page 607

Function or
Instruction/Arguments
Ü
2-Samp Test Sx1,n1,
Sx2,n2[,alternative,
drawflag]
(Summary stats input)
2-SampTInt [listname1,
listname2,
freqlist1,freqlist2,
confidence level,pooled]
(Data list input)
v
2-SampTInt
1,Sx1,n1,
v
2,Sx2,n2
[,confidence level,pooled]
(Summary stats input)
2-SampTTest [listname1,
listname2,freqlist1,
freqlist2,alternative,
pooled,drawflag]
(Data list input)
Appendix A: Functions and Instructions
Result
Performs a two-sample
Û
L
test. alternative= 1 is <;
ƒ
alternative=0 is ;
alternative=1 is >.
drawflag=1 draws results;
drawflag=0 calculates
results.
Computes a two-sample t
confidence interval.
pooled=1 pools variances;
pooled=0 does not pool
variances.
Computes a two-sample t
confidence interval.
pooled=1 pools variances;
pooled=0 does not pool
variances.
Computes a two-sample t
L
test. alternative= 1 is <;
ƒ
alternative=0 is ;
alternative=1 is >. pooled=1
pools variances; pooled=0
does not pool variances.
drawflag=1 draws results;
drawflag=0 calculates
results.
Key or
Keys/Menu or
Screen/Item
...
†
TESTS
Ü
E:2-Samp Test
...
†
TESTS
0:2-SampTInt
...
†
TESTS
0:2-SampTInt
...
†
TESTS
4:2-SampTTest
604