210
Anhang E: Verwendete Formeln
Statistikfunktionen
Mittelwert
=
--------- -
=
--------- -
Gewichtetes Mittel
=
------------ -
Lineare Regression
n = Anzahl der Datenpaare
=
+
ˆ
–
=
----------- -
ˆ
–
------------------------ -
wobei B =
--------------------------------------------
(
–
---------------- -
=
–
–
=
-------------------------------------------------------------------------------------------- -
(
)
–
---------------- -
⋅
)
⋅
------------------------ -
(
)
⋅
–
---------------- -