Paired t-test
H
0
:
μ
A-B
= c
H
A
:
μ
A-B
≠ c
(where the data from the populations A, B occurs in pairs (A
i
,B
i
), and so
μ
A-B
is the parameter for the mean of the pair-difference: A-B)
Part of
Dr. Doug Elrod
's
Theory Behind the t-Test Talk
