Texas Instruments TI-84 PLUS - Graphing Calculator - Page 379

Appendix A: Functions and Instructions 372
rref(matrix) Returns the reduced row-echelon form of a matrix.
y >
MATH
B:rref(
R4Pr(x,y)
Returns R, given rectangular coordinates x and y or a list
of rectangular coordinates.
y ;
ANGLE
5:R4Pr(
R4Pq(x,y) Returns q, given rectangular coordinates x and y or a list of
rectangular coordinates.
y ;
ANGLE
6:R
4Pq(
2-SampÜTest [listname1,
listname2,freqlist1,
freqlist2,alternative,
drawflag]
(Data list 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-Samp
ÜTest 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-SampÜTest
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
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(
F
unction or
Instruction/Arguments Result
Key or
Keys/Menu or
Screen/Item