Texas Instruments TI-83 PLUS - Manual (Page 685)

TI-83 Plus Tables and Reference Information 682
Function or Instruction/
Arguments
Result
Key or Keys/
Menu or Screen/Item
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 = 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 . 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(