Sampttest – Texas Instruments TI-84 User Manual
Page 636
Appendix B: Reference Information
633
2
-
Samp
Ü
Test
for the alternative hypothesis
s
1
ƒ s
2
. Limits must satisfy the following:
where: [
Lbnd,Ubnd
] = lower and upper limits
The
Ü-statistic is used as the bound producing the smallest integral. The remaining
bound is selected to achieve the preceding integral’s equality relationship.
2-SampTTest
2-SampTTest
2-SampTTest
2-SampTTest
The following is the definition for the
2-SampTTest
. The two-sample
t
statistic with
degrees of freedom
df
is:
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
∞
∫
=
=
t
x
1
x
2
–
S
----------------
=