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Zusammenfassung der Vorlesung und Unterrichtsunterlagen in Statistik, Wintersemester 2022/23, internationales Management an der HSD, 1.Semester$5.91
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zusammenfassung der vorlesung und unterrichtsunterlagen in statistik
wintersemester 202223
internationales managementhsd
1semester
Written for
Fachhochschule Düsseldorf (FH D)
BWL
Mathematik (QM)
All documents for this subject (4)
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elenaimetsberger
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Statistik: Formeln zusammengefasst
Deskriptive Statistik
Kovarianz:
Cov(x,y) = 1/n * Summe(xi- x )*(yi- x )
Varianz :
Standartabweichung :
Variationskoeffizient:
Mittlere absolute Abweichung
mittlere absolute Standartabweichung
Abweichung
N Merkmalswerte (i=1, S-= 1/n * ∑ (xj – λ) S= √1/n * ∑ (xi- x )²
…,u)
M S= ∑ f(xj) * |xj- λ| S=√ ∑ f(xj) * (xj- x )²
Merkmalsausprägungen
oder Intervall Klassen
(j= l,…,m)
Kontingenzkoeffizient:
, Bravais-Pearson-Korrelationskoeffizient
Spearman-Korrelationskoeffizient
Regression
Y=ax+b
B= COV(x;y)/S²x
A= Y -b* x
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