586
Using Lists & Spreadsheet
•
H
a
:
s
1
ƒs
2
•
H
a
:
s
1
<
s
2
•
H
a
:
s
1
>
s
2
Below is the definition for the
2-Sample
F
Test
.
2-Sample
F
Test
for the alternative hypothesis
.
2-Sample
F
Test
for the alternative hypothesis
.
2-Sample
F
Test
for the alternative hypothesis
s
1
ƒs
2
. Limits must satisfy
the following:
where: [
Lbnd,Ubnd
] = lower and upper limits
The
F
-statistic is used as the bound producing the smallest integral. The
remaining bound is selected to achieve the preceding integral’s equality
relationship.
Sx
1
,
Sx
2
=
Sample standard deviations having
and
degrees of freedom
df
,
respectively.
F
=
F
-statistic =
df
(
x, ,
)
=
F
( ) with degrees of freedom
df
, ,
and
p
=
reported
p
value
n
1
1
–
n
2
1
–
Sx
1
Sx
2
---------
⎝
⎠
⎛
⎞
2
n
1
1
–
n
2
1
–
n
1
1
–
n
2
1
–
σ
1
σ
2
>
p
f
F
α
∫
x n
1
1
n
2
1
–
,
–
,
(
)
dx
=
σ
1
σ
2
<
p
f
0
F
∫
x n
1
1
n
2
1
–
,
–
,
(
)
dx
=
p
2
---
f x n
1
1
n
2
1
–
,
–
,
(
)
x
d
0
L
bnd
∫
f x n
1
1
n
2
1
–
,
–
,
(
)
x
d
U
bnd
∞
∫
=
=
Summary of Contents for TI-Nspire
Page 38: ...26 Setting up the TI Nspire Navigator Teacher Software ...
Page 46: ...34 Getting started with the TI Nspire Navigator Teacher Software ...
Page 84: ...72 Using the Content Workspace ...
Page 180: ...168 Capturing Screens ...
Page 256: ...244 Embedding documents in web pages ...
Page 336: ...324 Polling students ...
Page 374: ...362 Using the Review Workspace ...
Page 436: ...424 Calculator ...
Page 450: ...438 Using Variables ...
Page 602: ...590 Using Lists Spreadsheet ...
Page 676: ...664 Using Notes You can also change the sample size and restart the sampling ...
Page 684: ...672 Libraries ...
Page 714: ...702 Programming ...
Page 828: ...816 Data Collection and Analysis ...
Page 846: ...834 Regulatory Information ...
Page 848: ...836 ...