TI-83 Plus
Inferential Statistics and Distributions
399
2
.
SampZTest
2
.
SampZTest
(two-sample
z
test; item
3
) tests the equality of the means of
two populations (
m
1
and
m
2
) based on independent samples when both
population standard deviations (
s
1
and
s
2
) are known. The null
hypothesis H
0
:
m
1
=
m
2
is tested against one of the alternatives below.
•
H
a
:
m
1
ƒm
2
(
m
1:
ƒm
2
)
•
H
a
:
m
1
<
m
2
(
m
1:<
m
2
)
•
H
a
:
m
1
>
m
2
(
m
1:>
m
2
)
In the example:
LISTA={154 109 137 115 140}
LISTB={108 115 126 92 146}
Data
Stats
Input:
,
,
Summary of Contents for 83PL/CLM/1L1/V - 83 Plus Calc
Page 407: ...TI 83 Plus Inferential Statistics and Distributions 404 Input Calculated results Drawn results...
Page 412: ...TI 83 Plus Inferential Statistics and Distributions 409 Data Stats Input Calculated results...
Page 454: ...TI 83 Plus Applications 451 tvm_FV tvm_FV computes the future value tvm_FV PV PMT P Y C Y...
