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Marketing Forschung > -F- Varianzanalyse > Flashcards

-F- Varianzanalyse Flashcards

1
Q

Streuungszerlegung

A

Gesamtsstreuung = erklärte (between) und nicht erklärte (within) groups

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2
Q

Freiheitsgrade

A

(n-1)*(m-1)

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3
Q

F-Test Faustregel

A

empirischer F-Wert > theoretischer F-Wert

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4
Q

F Wert Bruch

A

Erklärte Varianz / nicht erklärte Varianz

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5
Q

ANOVA signifikantes Ergebnis: unterscheiden sich sicher alle gruppen?

A

nicht unbedingt, aber mindestens zwei

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6
Q

ANCOVA, wofür?

A

Rausrechnen einer metrischen Variable

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7
Q

MANOVA, wofür?

A

mehrere abhängige variablen

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8
Q

Warum ANOVA statt mehrere t-Tests

A

Interaktionen!

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