7.3. Comparisons based on data from two processes
7.3.1. Do two processes have the same mean?
7.3.1.2. |
Confidence intervals for differences between means |
from two populations, two-sided confidence intervals with 100
(1-
)% coverage
for the difference between the unknown population means,
and
, are shown in the
table below. Relevant statistics for paired
observations and for unpaired
observations are shown elsewhere.
Two-sided confidence intervals with
100(1-)%
coverage for -
:
-
(where
 =
 )
|
|
|
-
(where
=
)
|
|
-
(where
)
|
|
