Sampftest – Texas Instruments TI-84 User Manual
Page 635
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Appendix B: Reference Information
632
2-SampFTest
2-SampFTest
2-SampFTest
2-SampFTest
Below is the definition for the
2
-
Samp
Ü
Test
.
2
-
Samp
Ü
Test
for the alternative hypothesis
.
2
-
Samp
Ü
Test
for the alternative hypothesis
.
Sx
1,
Sx
2
= Sample standard deviations having
and
degrees of freedom
df
,
respectively.
Ь
= Ы-statistic =
df
(
x, ,
)
=
Û
( ) with degrees of freedom
df
, ,
and
p
= reported
p
value
n
1
1
–
n
2
1
–
Sx1
Sx2
---------
⎝
⎠
⎛
⎞
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
=
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