Texas Instruments TI-84 - Manual (Page 634)

Appendix B: Reference Information 631
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:
Ь
Ь
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
FactorMS
FactorSS
Factordf
------------------------ =
ErrorMS
ErrorSS
Errordf
--------------------- =
FactorSS n
i
x
i
x –
( ) 2
i 1 =
I
∑
=
ErrorSS n
i
1 –
( )Sx
i
2
i 1 =
I
∑
=
Factordf I 1 – numeratordf for = =
Errordf n
i
1 –
( )
i 1 =
I
∑
denominatordf for = =
x
i
x