Texas Instruments TI-83 - page 684

TI-83 Plus Tables and Reference Information 681
Function or Instruction/
Arguments Result Key or Keys/ Menu or Screen/Item
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:R4Pq(
2.SampÜTest [listname1,
listname2,
f
re
q
list1,
f
re
q
list2,alternative,
draw
f
la
g
]
(Data list input)
Performs a two-sample Û test.
alternative=L1 is <; alternative=0 is
ƒ; alternative=1 is >. draw
f
la
g
=1
draws results; draw
f
la
g
=0 calculates
results.
† …
TESTS
D:2-SampÛTest
2.SampÜTest Sx1,n1,
Sx2,n2[,alternative,
draw
f
la
g
]
(Summary stats input)
Performs a two-sample Û test.
alternative=L1 is <; alternative=0 is
ƒ; alternative=1 is >. draw
f
la
g
=1
draws results; draw
f
la
g
=0 calculates
results.
† …
TESTS
D:2-SampÛTest
2.SampTInt [listname1,
listname2,
f
re
q
list1,
f
re
q
list2,
con
f
idence level,
p
ooled]
(Data list input)
Computes a two-sample t confidence
interval.
p
ooled=1 pools variances;
p
ooled=0 does not pool variances.
† …
TESTS
0:2-SampTInt
2.SampTInt
v
1,Sx1,n1,
v
2,Sx2,n2
[,con
f
idence level,
p
ooled]
(Summary stats input)
Computes a two-sample t confidence
interval.
p
ooled=1 pools variances;
p
ooled=0 does not pool variances.
† …
TESTS
0:2-SampTInt