
156 Appendix A: Tables and Reference Information
ANOVA(
The ANOVA Ü statistic is:
Ü =
The mean squares (MS) that make up Ü are:
The sum of squares (SS) that make up the mean squares are:
The degrees of freedom df that make up the mean squares are:
Ü
Ü
2-SampFTest
Below is the definition for the 2-SampÜTest.
where: I
Sxi
ni
=
=
=
=
=
number of populations
the mean of each list
the standard deviation of each list
the length of each list
the mean of all lists
Sx1, Sx2= Sample standard deviations having
and degrees of freedom df,
respectively.
FactorMS
ErrorMS
--------------------------
FactorMS FactorSS
Factordf
------------------------=
ErrorMS ErrorSS
Errordf
---------------------=
FactorSS nixix–()
2
i1=
I
∑
=
ErrorSS ni1–()Sxi2
i1=
I
∑
=
Factordf I 1–numeratordf for ==
Errordf ni1–()
i1=
I
∑denominatordf for ==
xi
x
n11–
n21–