Texas Instruments TI-84 Plus - Page 607

Appendix A: Functions and Instructions 604
2-SampÜTest Sx1,n1,
Sx2,n2[,alternative,
drawflag]
(Summary stats input)
Performs a two-sample
Û test. alternative=L1 is <;
alternative=0 is
ƒ;
alternative=1 is >.
drawflag=1 draws results;
drawflag=0 calculates
results.
†
…
TESTS
E:2-Samp
ÜTest
2-SampTInt [listname1,
listname2,
freqlist1,freqlist2,
confidence level,pooled]
(Data list input)
Computes a two-sample t
confidence interval.
pooled=1 pools variances;
pooled=0 does not pool
variances.
†
…
TESTS
0:2-SampTInt
2-SampTInt v1,Sx1,n1,
v2,Sx2,n2
[,confidence level,pooled]
(Summary stats input)
Computes a two-sample t
confidence interval.
pooled=1 pools variances;
pooled=0 does not pool
variances.
†
…
TESTS
0:2-SampTInt
2-SampTTest [listname1,
listname2,freqlist1,
freqlist2,alternative,
pooled,drawflag]
(Data list 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
F
unction or
Instruction/Arguments Result
Key or
Keys/Menu or
Screen/Item