Texas Instruments TI-84 Plus Calculator User Manual


 
138 Appendix A: Tables and Reference Information
2-SampTTest [listname1,
listname2,freqlist1,
freqlist2,alternative,
pooled,drawflag]
(Data list input)
Computes a two-sample t
test. alternative=L
1 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
2-SampTTest
v1,Sx1,n1,
v2,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
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(
2-SampZInt(
s
1
,s
2
,
v1,n1,v2,n2
[,confidence level])
(Summary stats input)
Computes a two-sample z
confidence interval.
TESTS
9:2-SampZInt(
2-SampZTest(s
1
,s
2
[
,listname1,listname2,
freqlist1,freqlist2,
alternative,drawflag])
(Data list input)
Computes a two-sample z
test. alternative=L
1 is <;
alternative=0 is ƒ;
alternative=
1 is >.
drawflag=1 draws results;
drawflag=0 calculates
results.
TESTS
3:2-SampZTest(
Function or Instruction/
Arguments
Result
Key or Keys/Menu
or Screen/Item